# Prologue

# Table of contents

Ontologies (1):

Classes (69):

Aspect Class , Base Dimension Magnitude , Binary Prefix , Bit Encoding , Boolean encoding type , Byte Encoding , Cardinality Type , CGS Dimension vector , CGS EMU Dimension vector , CGS ESU Dimension vector , CGS GAUSS Dimension vector , CGS LH Dimension vector , Char Encoding Type , Citation , Comment , Constant value , Counting Unit , Currency Unit , Data Encoding , Date Time String Encoding Type , Decimal Prefix , Derived Unit (Deprecated), Dimensionless Unit , Discipline , Encoding , Endian Type , Enumerated Value , Enumeration , Enumeration scale , Figure , Floating Point Encoding , Imperial dimension vector , Integer Encoding , Interval scale , ISO Dimension vector , Logarithmic Unit , Math Function Type , NIST SP~811 Comment , Nominal scale , Ordered type , Ordinal scale , Organization , Physical Constant , Prefix , Quantifiable , Quantity , Quantity Kind , Quantity Kind (abstract) , Quantity Kind Dimension Vector , Quantity Kind Dimension vector (SI) , Quantity type , Quantity value , QUDT Concept , QUDT Datatype , Ratio scale , Rule , Rule Type , Scalar Datatype , Scale , Scale type , Signedness type , Statement , String Encoding Type , Structured Data Type , Symbol , System of Quantity Kinds , System of Units , Unit , User Quantity Kind

Properties (193):

abbreviation , abstract , acronym , allowed pattern , allowed unit , allowed unit of system , ANSI SQL Name , applicable CGS unit , applicable Imperial unit , applicable ISO unit , applicable physical constant , applicable Planck unit , applicable SI unit , applicable unit , applicable US Customary unit , base CGS unit dimensions , base dimension enumeration , base Imperial unit dimensions , base ISO unit dimensions , base SI unit dimensions , base unit , base unit dimensions , base US Customary unit dimensions , basis , belongs to system of quantities , bit order , bits , bounded , byte order , bytes , C Language name , cardinality , categorized as , citation , code , coherent unit , coherent unit system , contributor , conversion coefficient , conversion multiplier , conversion offset , created , creator , currency exponent , data encoding , data structure , datatype , dbpedia match , default , defined unit , defined unit of system , denominator dimension vector , denominator dimension vector , derived coherent unit , derived quantity kind of system , derived unit , description , description (plain text) , dimension exponent , dimension exponent for amount of substance , dimension exponent for electric current , dimension exponent for length , dimension exponent for luminous intensity , dimension exponent for mass , dimension exponent for thermodynamic temperature , dimension exponent for time , dimension inverse , dimension vector for SI , dimensionless exponent , element , element kind , element type , encoding , exact constant , exact match , example , expression , field code , figure , figure caption , figure label , generalization , guidance , has base quantity kind , has coherent derived unit , has dimension , has dimension vector , has non-coherent unit (Deprecated), has quantity , has quantity kind , has quantity kind dimension vector denominator part , has quantity kind dimension vector numerator part , has reference quantity kind , has rule , has unit , has unit system , has vocabulary , height , iec-61360 code , image , image location , informative reference , is base quantity kind of system , is base unit of system , is coherent derived unit of system , is coherent unit of system (Deprecated), is Delta Quantity , is derived unit of system , is dimension in system , is metric unit , is non-coherent derived unit of system , is quantity kind of , is scaling of , is unit of system , java name , Javascript name , landscape , latex definition , latex symbol , length , literal , lower bound , math definition , mathML definition , matlab name , max exclusive , max inclusive , Microsoft SQL Server name , min exclusive , min inclusive , modified , MySQL name , negative delta limit , normative reference , normative reference (ISO) , numerator dimension vector , numerator dimension vector , numeric value , ODBC name , OLE DB name , om unit , online reference , ORACLE SQL name , order , ordered type , out of scope , permissible maths , permissible transformation , Positive delta limit , prefix , prefix multiplier , prefix unit , protocol buffers name , python name , quantity , quantity value , qudt description , qudt id , rationale , rdfs datatype , reference , reference unit , relative standard uncertainty , relevant quantity kind , Relevant Unit , rights , rule type , scale type , si units expression , source , specialization , standard uncertainty , subject , superseded by , symbol , system definition , system derived quantity kind , system dimension , title , ucum case-insensitive code , ucum case-sensitive code , ucum code , unece common code , unit , unit for , upper bound , url , value , value for quantity , vector magnitude , Vusal Basic name , was derived from , width

Individuals (30):

Big Endian , Boolean Encoding , Char Encoding , Countably Infinite Cardinality Type , Finite Cardinality Type , IEEE 754 1985 Real Encoding , ISO 8601 UTC Date Time - Basic Format , Little Endian , Long Unsigned Integer Encoding , OCTET Encoding , Partially Ordered , QUDT , QUDT Aspect , QUDT Schema - Version 2.1.2 , QUDT Schema Catalog Entry , Short Signed Integer Encoding , Short Unsigned Integer Encoding , Signed , Signed Integer Encoding , Single Precision Real Encoding , Single Precision Real Encoding , Totally Ordered , Uncountable Cardinality Type , Unordered , Unsigned , Unsigned Integer Encoding , UTF-16 String , UTF-8 Encoding , Verifiable , Wikipedia

## Ontologies

### QUDT Schema - Version 2.1.2 (Ontology)

*{{No description available}}*

#### Version Control information

- Download

#### Definition

The **URI** of this ontology is `http://qudt.org/2.1/schema/qudt`

#### In use

This ontology is defined by QUDT Schema - Version 2.1.2

This ontology defines elements such as abbreviation , acronym , allowed pattern , allowed unit , allowed unit of system , ANSI SQL Name , applicable CGS unit , applicable Imperial unit , applicable ISO unit , applicable physical constant , applicable Planck unit , applicable SI unit , applicable unit , applicable US Customary unit , Aspect Class , base CGS unit dimensions , base dimension enumeration , Base Dimension Magnitude , base Imperial unit dimensions , base ISO unit dimensions , base SI unit dimensions , base unit , base unit dimensions , base US Customary unit dimensions , basis , belongs to system of quantities , Big Endian , Binary Prefix , Bit Encoding , bit order , bits , Boolean Encoding , Boolean encoding type , bounded , Byte Encoding , byte order , bytes , C Language name , cardinality , Cardinality Type , categorized as , CGS Dimension vector , CGS EMU Dimension vector , CGS ESU Dimension vector , CGS GAUSS Dimension vector , CGS LH Dimension vector , Char Encoding , Char Encoding Type , citation , Citation , code , coherent unit , coherent unit system , Comment , Constant value , conversion coefficient , conversion multiplier , conversion offset , Countably Infinite Cardinality Type , Counting Unit , creator , currency exponent , Currency Unit , Data Encoding , data encoding , data structure , datatype , Date Time String Encoding Type , dbpedia match , Decimal Prefix , default , defined unit , defined unit of system , denominator dimension vector , denominator dimension vector , derived coherent unit , derived quantity kind of system , derived unit , Derived Unit , description (plain text) , dimension exponent , dimension exponent for amount of substance , dimension exponent for electric current , dimension exponent for length , dimension exponent for luminous intensity , dimension exponent for mass , dimension exponent for thermodynamic temperature , dimension exponent for time , dimension inverse , dimension vector for SI , dimensionless exponent , Dimensionless Unit , Discipline , element , element kind , element type , Encoding , encoding , Endian Type , Enumerated Value , Enumeration , Enumeration scale , exact constant , exact match , example , expression , field code , figure , Figure , figure caption , figure label , Finite Cardinality Type , Floating Point Encoding , generalization , guidance , has base quantity kind , has coherent derived unit , has dimension , has dimension vector , has non-coherent unit , has quantity , has quantity kind , has quantity kind dimension vector denominator part , has quantity kind dimension vector numerator part , has reference quantity kind , has rule , has unit , has unit system , has vocabulary , height , http://qudt.org/schema/qudt/floatPercentage , http://qudt.org/schema/qudt/integerPercentage , http://qudt.org/schema/qudt/LatexString , http://qudt.org/schema/qudt/UCUMci , http://qudt.org/schema/qudt/UCUMci-term , http://qudt.org/schema/qudt/UCUMcs , http://qudt.org/schema/qudt/UCUMcs-term , http://qudt.org/schema/qudt/valueUnion , iec-61360 code , IEEE 754 1985 Real Encoding , image , image location , Imperial dimension vector , informative reference , Integer Encoding , Interval scale , is base quantity kind of system , is base unit of system , is coherent derived unit of system , is coherent unit of system , is Delta Quantity , is derived unit of system , is dimension in system , is metric unit , is non-coherent derived unit of system , is quantity kind of , is scaling of , is unit of system , ISO 8601 UTC Date Time - Basic Format , ISO Dimension vector , java name , Javascript name , landscape , latex definition , latex symbol , length , literal , Little Endian , Logarithmic Unit , Long Unsigned Integer Encoding , lower bound , math definition , Math Function Type , mathML definition , matlab name , max exclusive , max inclusive , Microsoft SQL Server name , min exclusive , min inclusive , MySQL name , negative delta limit , NIST SP~811 Comment , Nominal scale , normative reference , normative reference (ISO) , numerator dimension vector , numerator dimension vector , numeric value , OCTET Encoding , ODBC name , OLE DB name , om unit , online reference , ORACLE SQL name , order , ordered type , Ordered type , Ordinal scale , Organization , out of scope , Partially Ordered , permissible maths , permissible transformation , Physical Constant , Positive delta limit , Prefix , prefix , prefix multiplier , prefix unit , protocol buffers name , python name , Quantifiable , Quantity , quantity , Quantity Kind , Quantity Kind (abstract) , Quantity Kind Dimension Vector , Quantity Kind Dimension vector (SI) , Quantity type , Quantity value , quantity value , QUDT , QUDT Aspect , QUDT Concept , QUDT Datatype , qudt description , qudt id , QUDT Schema - Version 2.1.2 , QUDT Schema - Version 2.1.2 , QUDT Schema Catalog Entry , Ratio scale , rationale , rdfs datatype , reference , reference unit , relative standard uncertainty , relevant quantity kind , Relevant Unit , Rule , rule type , Rule Type , Scalar Datatype , Scale , scale type , Scale type , Short Signed Integer Encoding , Short Unsigned Integer Encoding , si units expression , Signed , Signed Integer Encoding , Signedness type , Single Precision Real Encoding , Single Precision Real Encoding , specialization , standard uncertainty , Statement , String Encoding Type , Structured Data Type , Symbol , symbol , system definition , system derived quantity kind , system dimension , System of Quantity Kinds , System of Units , Totally Ordered , ucum case-insensitive code , ucum case-sensitive code , ucum code , Uncountable Cardinality Type , unece common code , Unit , unit , unit for , Unordered , Unsigned , Unsigned Integer Encoding , upper bound , url , User Quantity Kind , UTF-16 String , UTF-8 Encoding , value , value for quantity , vector magnitude , Verifiable , Vusal Basic name , width , Wikipedia

## Classes

Aspect Class , Base Dimension Magnitude , Binary Prefix , Bit Encoding , Boolean encoding type , Byte Encoding , Cardinality Type , CGS Dimension vector , CGS EMU Dimension vector , CGS ESU Dimension vector , CGS GAUSS Dimension vector , CGS LH Dimension vector , Char Encoding Type , Citation , Comment , Constant value , Counting Unit , Currency Unit , Data Encoding , Date Time String Encoding Type , Decimal Prefix , Derived Unit (Deprecated), Dimensionless Unit , Discipline , Encoding , Endian Type , Enumerated Value , Enumeration , Enumeration scale , Figure , Floating Point Encoding , Imperial dimension vector , Integer Encoding , Interval scale , ISO Dimension vector , Logarithmic Unit , Math Function Type , NIST SP~811 Comment , Nominal scale , Ordered type , Ordinal scale , Organization , Physical Constant , Prefix , Quantifiable , Quantity , Quantity Kind , Quantity Kind (abstract) , Quantity Kind Dimension Vector , Quantity Kind Dimension vector (SI) , Quantity type , Quantity value , QUDT Concept , QUDT Datatype , Ratio scale , Rule , Rule Type , Scalar Datatype , Scale , Scale type , Signedness type , Statement , String Encoding Type , Structured Data Type , Symbol , System of Quantity Kinds , System of Units , Unit , User Quantity Kind

### Aspect Class (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/AspectClass`

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class has individuals such as | QUDT Aspect Verifiable |

### Base Dimension Magnitude (OWL Class)

<p class="lm-para">A <em>Dimension</em> expresses a magnitude for a base quantiy kind such as mass, length and time.</p> <p class="lm-para">DEPRECATED - each exponent is expressed as a property. Keep until a validaiton of this has been done.</p>

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/BaseDimensionMagnitude`

This class is a sub class of | QUDT Concept |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Binary Prefix (OWL Class)

A <em>Binary Prefix</em> is a prefix for multiples of units in data processing, data transmission, and digital information, notably the bit and the byte, to indicate multiplication by a power of 2.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/BinaryPrefix`

This class is a sub class of | Prefix |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Bit Encoding (OWL Class)

A bit encoding is a correspondence between the two possible values of a bit, 0 or 1, and some interpretation. For example, in a boolean encoding, a bit denotes a truth value, where 0 corresponds to False and 1 corresponds to True.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/BitEncodingType`

This class is a sub class of | Encoding |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Boolean encoding type (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/BooleanEncodingType`

This class is a sub class of | Encoding |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class has individuals such as | Boolean Encoding Char Encoding OCTET Encoding Short Unsigned Integer Encoding |

### Byte Encoding (OWL Class)

This class contains the various ways that information may be encoded into bytes.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/ByteEncodingType`

This class is a sub class of | Encoding |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class has individuals such as | OCTET Encoding |

### Cardinality Type (OWL Class)

In mathematics, the cardinality of a set is a measure of the number of elements of the set. For example, the set \(A = {2, 4, 6}\) contains 3 elements, and therefore \(A\) has a cardinality of 3. There are two approaches to cardinality – one which compares sets directly using bijections and injections, and another which uses cardinal numbers.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/CardinalityType`

This class is a sub class of | Enumerated Value |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class has individuals such as | Countably Infinite Cardinality Type Finite Cardinality Type Uncountable Cardinality Type |

### CGS Dimension vector (OWL Class)

A <em>CGS Dimension Vector</em> is used to specify the dimensions for a C.G.S. quantity kind.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/QuantityKindDimensionVector_CGS`

This class is a sub class of | Quantity Kind Dimension Vector |

This class is a super class of | CGS EMU Dimension vector CGS ESU Dimension vector CGS GAUSS Dimension vector CGS LH Dimension vector |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### CGS EMU Dimension vector (OWL Class)

A <em>CGS EMU Dimension Vector</em> is used to specify the dimensions for EMU C.G.S. quantity kind.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/QuantityKindDimensionVector_CGS-EMU`

This class is a sub class of | CGS Dimension vector |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### CGS ESU Dimension vector (OWL Class)

A <em>CGS ESU Dimension Vector</em> is used to specify the dimensions for ESU C.G.S. quantity kind.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/QuantityKindDimensionVector_CGS-ESU`

This class is a sub class of | CGS Dimension vector |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### CGS GAUSS Dimension vector (OWL Class)

A <em>CGS GAUSS Dimension Vector</em> is used to specify the dimensions for Gaussioan C.G.S. quantity kind.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/QuantityKindDimensionVector_CGS-GAUSS`

This class is a sub class of | CGS Dimension vector |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### CGS LH Dimension vector (OWL Class)

A <em>CGS LH Dimension Vector</em> is used to specify the dimensions for Lorentz-Heaviside C.G.S. quantity kind.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/QuantityKindDimensionVector_CGS-LH`

This class is a sub class of | CGS Dimension vector |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Char Encoding Type (OWL Class)

The class of all character encoding schemes, each of which defines a rule or algorithm for encoding character data as a sequence of bits or bytes.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/CharEncodingType`

This class is a sub class of | Encoding |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class has individuals such as | Char Encoding |

### Citation (OWL Class)

Provides a simple way of making citations.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Citation`

This class is a sub class of | QUDT Concept |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Comment (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Comment`

This class is a sub class of | Verifiable |

This class is a super class of | NIST SP~811 Comment |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Constant value (OWL Class)

Used to specify the values of a constant.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/ConstantValue`

This class is a sub class of | Quantity value |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Counting Unit (OWL Class)

Used for all units that express counts. Examples are Atomic Number, Number, Number per Year, Percent and Sample per Second.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/CountingUnit`

This class is a sub class of | Dimensionless Unit http://qudt.org/schema/qudt/ResourceUnit |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Currency Unit (OWL Class)

Used for all units that express currency.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/CurrencyUnit`

This class is a sub class of | Dimensionless Unit |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Data Encoding (OWL Class)

<p><em>Data Encoding</em> expresses the properties that specify how data is represented at the bit and byte level. These properties are applicable to describing raw data.</p>

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/DataEncoding`

This class is a sub class of | QUDT Aspect |

### Date Time String Encoding Type (OWL Class)

Date Time encodings are logical encodings for expressing date/time quantities as strings by applying unambiguous formatting and parsing rules.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/DateTimeStringEncodingType`

This class is a sub class of | String Encoding Type |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class has individuals such as | ISO 8601 UTC Date Time - Basic Format |

### Decimal Prefix (OWL Class)

A <em>Decimal Prefix</em> is a prefix for multiples of units that are powers of 10.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/DecimalPrefix`

This class is a sub class of | Prefix |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Derived Unit (OWL Class) (Deprecated)

A DerivedUnit is a type specification for units that are derived from other units.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/DerivedUnit`

This class is a sub class of | Unit |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Dimensionless Unit (OWL Class)

A Dimensionless Unit is a quantity for which all the exponents of the factors corresponding to the base quantities in its quantity dimension are zero.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/DimensionlessUnit`

This class is a sub class of | Unit |

This class is a super class of | Counting Unit Currency Unit Logarithmic Unit |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Discipline (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Discipline`

This class is a sub class of | QUDT Concept |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Encoding (OWL Class)

An encoding is a rule or algorithm that is used to convert data from a native, or unspecified form into a specific form that satisfies the encoding rules. Examples of encodings include character encodings, such as UTF-8.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Encoding`

This class is a sub class of | skos:Concept |

This class is a super class of | Bit Encoding Boolean encoding type Byte Encoding Char Encoding Type Floating Point Encoding Integer Encoding String Encoding Type |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Endian Type (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/EndianType`

This class is a sub class of | Enumerated Value |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class is used in | bit order byte order |

This class has individuals such as | Big Endian Little Endian |

### Enumerated Value (OWL Class)

<p>This class is for all enumerated and/or coded values. For example, it contains the dimension objects that are the basis elements in some abstract vector space associated with a quantity kind system. Another use is for the base dimensions for quantity systems. Each quantity kind system that defines a base set has a corresponding ordered enumeration whose elements are the dimension objects for the base quantity kinds. The order of the dimensions in the enumeration determines the canonical order of the basis elements in the corresponding abstract vector space.</p> <p>An enumeration is a set of literals from which a single value is selected. Each literal can have a tag as an integer within a standard encoding appropriate to the range of integer values. Consistency of enumeration types will allow them, and the enumerated values, to be referred to unambiguously either through symbolic name or encoding. Enumerated values are also controlled vocabularies and as such need to be standardized. Without this consistency enumeration literals can be stated differently and result in data conflicts and misinterpretations.</p> <p>The tags are a set of positive whole numbers, not necessarily contiguous and having no numerical significance, each corresponding to the associated literal identifier. An order attribute can also be given on the enumeration elements. An enumeration can itself be a member of an enumeration. This allows enumerations to be enumerated in a selection. Enumerations are also subclasses of Scalar Datatype. This allows them to be used as the reference of a datatype specification.</p>

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/EnumeratedValue`

This class is a sub class of | dtype:EnumeratedValue QUDT Datatype |

This class is a super class of | Cardinality Type Endian Type Ordered type Quantity type Rule Type Scale type Signedness type |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Enumeration (OWL Class)

<p>An enumeration is a set of literals from which a single value is selected. Each literal can have a tag as an integer within a standard encoding appropriate to the range of integer values. Consistency of enumeration types will allow them, and the enumerated values, to be referred to unambiguously either through symbolic name or encoding. Enumerated values are also controlled vocabularies and as such need to be standardized. Without this consistency enumeration literals can be stated differently and result in data conflicts and misinterpretations.</p> <p>The tags are a set of positive whole numbers, not necessarily contiguous and having no numerical significance, each corresponding to the associated literal identifier. An order attribute can also be given on the enumeration elements. An enumeration can itself be a member of an enumeration. This allows enumerations to be enumerated in a selection. Enumerations are also subclasses of <em>Scalar Datatype</em>. This allows them to be used as the reference of a datatype specification.</p>

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Enumeration`

This class is a sub class of | dtype:Enumeration QUDT Concept |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class is used in | base dimension enumeration |

### Enumeration scale (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/EnumerationScale`

This class is a sub class of | dtype:Enumeration Scale |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Figure (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Figure`

This class is a sub class of | QUDT Concept |

### Floating Point Encoding (OWL Class)

A "Encoding" with the following instance(s): "Double Precision Encoding", "Single Precision Real Encoding".

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/FloatingPointEncodingType`

This class is a sub class of | Encoding |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class has individuals such as | IEEE 754 1985 Real Encoding Single Precision Real Encoding Single Precision Real Encoding |

### Imperial dimension vector (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/QuantityKindDimensionVector_Imperial`

This class is a sub class of | Quantity Kind Dimension Vector |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Integer Encoding (OWL Class)

The encoding scheme for integer types

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/IntegerEncodingType`

This class is a sub class of | Encoding |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class has individuals such as | Long Unsigned Integer Encoding Short Signed Integer Encoding Short Unsigned Integer Encoding Signed Integer Encoding Unsigned Integer Encoding |

### Interval scale (OWL Class)

median, percentile & Monotonic increasing (order (<)) & totally ordered set

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/IntervalScale`

This class is a sub class of | Scale |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

#### Documentation

### ISO Dimension vector (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/QuantityKindDimensionVector_ISO`

This class is a sub class of | Quantity Kind Dimension Vector |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Logarithmic Unit (OWL Class)

Logarithmic units are abstract mathematical units that can be used to express any quantities (physical or mathematical) that are defined on a logarithmic scale, that is, as being proportional to the value of a logarithm function. Examples of logarithmic units include common units of information and entropy, such as the bit, and the byte, as well as units of relative signal strength magnitude such as the decibel.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/LogarithmicUnit`

This class is a sub class of | Dimensionless Unit |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Math Function Type (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/MathFunctionType`

This class is a sub class of | QUDT Concept |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### NIST SP~811 Comment (OWL Class)

National Institute of Standards and Technology (NIST) Special Publication 811 Comments on some quantities and their units

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/NIST_SP811_Comment`

This class is a sub class of | Comment |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Nominal scale (OWL Class)

A nominal scale differentiates between items or subjects based only on their names or (meta-)categories and other qualitative classifications they belong to; thus dichotomous data involves the construction of classifications as well as the classification of items. Discovery of an exception to a classification can be viewed as progress. Numbers may be used to represent the variables but the numbers do not have numerical value or relationship: For example, a Globally unique identifier. Examples of these classifications include gender, nationality, ethnicity, language, genre, style, biological species, and form. In a university one could also use hall of affiliation as an example.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/NominalScale`

This class is a sub class of | Scale |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

#### Documentation

### Ordered type (OWL Class)

Describes how a data or information structure is ordered.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/OrderedType`

This class is a sub class of | Enumerated Value |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class has individuals such as | Partially Ordered Totally Ordered Unordered |

### Ordinal scale (OWL Class)

The ordinal type allows for rank order (1st, 2nd, 3rd, etc.) by which data can be sorted, but still does not allow for relative degree of difference between them. Examples include, on one hand, dichotomous data with dichotomous (or dichotomized) values such as 'sick' vs. 'healthy' when measuring health, 'guilty' vs. 'innocent' when making judgments in courts, 'wrong/false' vs. 'right/true' when measuring truth value, and, on the other hand, non-dichotomous data consisting of a spectrum of values, such as 'completely agree', 'mostly agree', 'mostly disagree', 'completely disagree' when measuring opinion.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/OrdinalScale`

This class is a sub class of | Scale |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

#### Documentation

### Organization (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Organization`

This class is a sub class of | QUDT Concept |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class has individuals such as | Wikipedia |

### Physical Constant (OWL Class)

A physical constant is a physical quantity that is generally believed to be both universal in nature and constant in time. It can be contrasted with a mathematical constant, which is a fixed numerical value but does not directly involve any physical measurement. There are many physical constants in science, some of the most widely recognized being the speed of light in vacuum c, Newton's gravitational constant G, Planck's constant h, the electric permittivity of free space ε0, and the elementary charge e. Physical constants can take many dimensional forms, or may be dimensionless depending on the system of quantities and units used.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/PhysicalConstant`

This class is a sub class of | Quantity |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Prefix (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Prefix`

This class is a sub class of | QUDT Concept Verifiable |

This class is a super class of | Binary Prefix Decimal Prefix |

### Quantifiable (OWL Class)

<p><em>Quantifiable</em> ascribes to some thing the capability of being measured, observed, or counted.</p>

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Quantifiable`

This class is a sub class of | QUDT Aspect |

This class is a super class of | Quantity Quantity value |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Quantity (OWL Class)

<p class="lm-para">A <b>quantity</b> is the measurement of an observable property of a particular object, event, or physical system. A quantity is always associated with the context of measurement (i.e. the thing measured, the measured value, the accuracy of measurement, etc.) whereas the underlying <b>quantity kind</b> is independent of any particular measurement. Thus, length is a quantity kind while the height of a rocket is a specific quantity of length; its magnitude that may be expressed in meters, feet, inches, etc. Examples of physical quantities include physical constants, such as the speed of light in a vacuum, Planck's constant, the electric permittivity of free space, and the fine structure constant. </p> <p class="lm-para">In other words, quantities are quantifiable aspects of the world, such as the duration of a movie, the distance between two points, velocity of a car, the pressure of the atmosphere, and a person's weight; and units are used to describe their numerical measure. <p class="lm-para">Many <b>quantity kinds</b> are related to each other by various physical laws, and as a result, the associated units of some quantity kinds can be expressed as products (or ratios) of powers of other quantity kinds (e.g., momentum is mass times velocity and velocity is defined as distance divided by time). In this way, some quantities can be calculated from other measured quantities using their associations to the quantity kinds in these expressions. These quantity kind relationships are also discussed in dimensional analysis. Those that cannot be so expressed can be regarded as "fundamental" in this sense.</p> <p class="lm-para">A quantity is distinguished from a "quantity kind" in that the former carries a value and the latter is a type specifier.</p>

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Quantity`

This class is a sub class of | Quantifiable QUDT Concept |

This class is a super class of | Physical Constant |

### Quantity Kind (OWL Class)

A <b>Quantity Kind</b> is any observable property that can be measured and quantified numerically. Familiar examples include physical properties such as length, mass, time, force, energy, power, electric charge, etc. Less familiar examples include currency, interest rate, price to earning ratio, and information capacity.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/QuantityKind`

This class is a sub class of | Quantity Kind (abstract) Verifiable |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class is used in | belongs to system of quantities has quantity kind relevant quantity kind |

### Quantity Kind (abstract) (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/AbstractQuantityKind`

This class is a sub class of | QUDT Concept |

This class is a super class of | Quantity Kind User Quantity Kind |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Quantity Kind Dimension Vector (OWL Class)

<p class="lm-para">A <em>Quantity Kind Dimension Vector</em> describes the dimensionality of a quantity kind in the context of a system of units. In the SI system of units, the dimensions of a quantity kind are expressed as a product of the basic physical dimensions mass (\(M\)), length (\(L\)), time (\(T\)) current (\(I\)), amount of substance (\(N\)), luminous intensity (\(J\)) and absolute temperature (\(\theta\)) as \(dim \, Q = L^{\alpha} \, M^{\beta} \, T^{\gamma} \, I ^{\delta} \, \theta ^{\epsilon} \, N^{\eta} \, J ^{\nu}\).</p> <p class="lm-para">The rational powers of the dimensional exponents, \(\alpha, \, \beta, \, \gamma, \, \delta, \, \epsilon, \, \eta, \, \nu\), are positive, negative, or zero.</p> <p class="lm-para">For example, the dimension of the physical quantity kind \(\it{speed}\) is \(\boxed{length/time}\), \(L/T\) or \(LT^{-1}\), and the dimension of the physical quantity kind force is \(\boxed{mass \times acceleration}\) or \(\boxed{mass \times (length/time)/time}\), \(ML/T^2\) or \(MLT^{-2}\) respectively.</p>

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/QuantityKindDimensionVector`

This class is a sub class of | QUDT Concept |

This class is a super class of | CGS Dimension vector Imperial dimension vector ISO Dimension vector Quantity Kind Dimension vector (SI) |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class is used in | denominator dimension vector denominator dimension vector has dimension vector numerator dimension vector numerator dimension vector |

### Quantity Kind Dimension vector (SI) (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/QuantityKindDimensionVector_SI`

This class is a sub class of | Quantity Kind Dimension Vector |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class is used in | dimension vector for SI |

### Quantity type (OWL Class)

\(\textit{Quantity Type}\) is an enumeration of quanity kinds. It specializes \(\boxed{dtype:EnumeratedValue}\) by constrinaing \(\boxed{dtype:value}\) to instances of \(\boxed{qudt:QuantityKind}\).

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/QuantityType`

This class is a sub class of | Enumerated Value |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Quantity value (OWL Class)

A <i>Quantity Value</i> expresses the magnitude and kind of a quantity and is given by the product of a numerical value <code>n</code> and a unit of measure <code>U</code>. The number multiplying the unit is referred to as the numerical value of the quantity expressed in that unit. Refer to <a href="http://physics.nist.gov/Pubs/SP811/sec07.html">NIST SP 811 section 7</a> for more on quantity values.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/QuantityValue`

This class is a sub class of | Quantifiable QUDT Concept |

This class is a super class of | Constant value |

### QUDT Concept (OWL Class)

The root class for all QUDT concepts.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Concept`

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class is used in | code guidance qudt id was derived from |

### QUDT Datatype (OWL Class)

A data type is a definition of a set of values (for example, "all integers between 0 and 10"), and the allowable operations on those values; the meaning of the data; and the way values of that type can be stored. Some types are primitive - built-in to the language, with no visible internal structure - e.g. Boolean; others are composite - constructed from one or more other types (of either kind) - e.g. lists, arrays, structures, unions. Object-oriented programming extends this with classes which encapsulate both the structure of a type and the operations that can be performed on it. Some languages provide strong typing, others allow implicit type conversion and/or explicit type conversion.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Datatype`

This class is a sub class of | QUDT Concept |

This class is a super class of | Enumerated Value Scalar Datatype Structured Data Type |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Ratio scale (OWL Class)

The ratio type takes its name from the fact that measurement is the estimation of the ratio between a magnitude of a continuous quantity and a unit magnitude of the same kind (Michell, 1997, 1999). A ratio scale possesses a meaningful (unique and non-arbitrary) zero value. Most measurement in the physical sciences and engineering is done on ratio scales. Examples include mass, length, duration, plane angle, energy and electric charge. In contrast to interval scales, ratios are now meaningful because having a non-arbitrary zero point makes it meaningful to say, for example, that one object has "twice the length" of another (= is "twice as long"). Very informally, many ratio scales can be described as specifying "how much" of something (i.e. an amount or magnitude) or "how many" (a count). The Kelvin temperature scale is a ratio scale because it has a unique, non-arbitrary zero point called absolute zero.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/RatioScale`

This class is a sub class of | Scale |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

#### Documentation

### Rule (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Rule`

This class is a sub class of | QUDT Concept Verifiable |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Rule Type (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/RuleType`

This class is a sub class of | Enumerated Value |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Scalar Datatype (OWL Class)

Scalar data types are those that have a single value. The permissible values are defined over a domain that may be integers, float, character or boolean. Often a scalar data type is referred to as a primitive data type.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/ScalarDatatype`

This class is a sub class of | QUDT Datatype |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Scale (OWL Class)

Scales (also called "scales of measurement" or "levels of measurement") are expressions that typically refer to the theory of scale types.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Scale`

This class is a sub class of | QUDT Concept |

This class is a super class of | Enumeration scale Interval scale Nominal scale Ordinal scale Ratio scale |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Scale type (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/ScaleType`

This class is a sub class of | Enumerated Value |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Signedness type (OWL Class)

Specifics whether a value should be signed or unsigned.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/SignednessType`

This class is a sub class of | Enumerated Value |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class has individuals such as | Signed Unsigned |

### Statement (RDFS Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Statement`

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### String Encoding Type (OWL Class)

A "Encoding" with the following instance(s): "UTF-16 String", "UTF-8 Encoding".

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/StringEncodingType`

This class is a sub class of | Encoding |

This class is a super class of | Date Time String Encoding Type |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class has individuals such as | UTF-16 String UTF-8 Encoding |

### Structured Data Type (OWL Class)

A "Structured Datatype", in contrast to scalar data types, is used to characterize classes of more complex data structures, such as linked or indexed lists, trees, ordered trees, and multi-dimensional file formats.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/StructuredDatatype`

This class is a sub class of | QUDT Datatype |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### Symbol (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Symbol`

This class is a sub class of | QUDT Concept |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### System of Quantity Kinds (OWL Class)

A system of quantity kinds is a set of one or more quantity kinds together with a set of zero or more algebraic equations that define relationships between quantity kinds in the set. In the physical sciences, the equations relating quantity kinds are typically physical laws and definitional relations, and constants of proportionality. Examples include Newton’s First Law of Motion, Coulomb’s Law, and the definition of velocity as the instantaneous change in position. In almost all cases, the system identifies a subset of base quantity kinds. The base set is chosen so that all other quantity kinds of interest can be derived from the base quantity kinds and the algebraic equations. If the unit system is explicitly associated with a quantity kind system, then the unit system must define at least one unit for each quantity kind. From a scientific point of view, the division of quantities into base quantities and derived quantities is a matter of convention.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/SystemOfQuantityKinds`

This class is a sub class of | QUDT Concept |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class is used in | belongs to system of quantities |

### System of Units (OWL Class)

A system of units is a set of units which are chosen as the reference scales for some set of quantity kinds together with the definitions of each unit. Units may be defined by experimental observation or by proportion to another unit not included in the system. If the unit system is explicitly associated with a quantity kind system, then the unit system must define at least one unit for each quantity kind.

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/SystemOfUnits`

This class is a sub class of | QUDT Concept |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

This class is used in | is coherent unit of system is non-coherent derived unit of system is unit of system |

### Unit (OWL Class)

A unit of measure, or unit, is a particular quantity value that has been chosen as a scale for measuring other quantities the same kind (more generally of equivalent dimension). For example, the meter is a quantity of length that has been rigorously defined and standardized by the BIPM (International Board of Weights and Measures). Any measurement of the length can be expressed as a number multiplied by the unit meter. More formally, the value of a physical quantity Q with respect to a unit (U) is expressed as the scalar multiple of a real number (n) and U, as \(Q = nU\).

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/Unit`

This class is a sub class of | QUDT Concept Verifiable |

This class is a super class of | Derived Unit Dimensionless Unit |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

### User Quantity Kind (OWL Class)

*{{No description available}}*

#### Definition

The **URI** of this class is `http://qudt.org/schema/qudt/UserQuantityKind`

This class is a sub class of | Quantity Kind (abstract) |

#### In use

This class is defined by QUDT Schema - Version 2.1.2

## Properties

abbreviation , abstract , acronym , allowed pattern , allowed unit , allowed unit of system , ANSI SQL Name , applicable CGS unit , applicable Imperial unit , applicable ISO unit , applicable physical constant , applicable Planck unit , applicable SI unit , applicable unit , applicable US Customary unit , base CGS unit dimensions , base dimension enumeration , base Imperial unit dimensions , base ISO unit dimensions , base SI unit dimensions , base unit , base unit dimensions , base US Customary unit dimensions , basis , belongs to system of quantities , bit order , bits , bounded , byte order , bytes , C Language name , cardinality , categorized as , citation , code , coherent unit , coherent unit system , contributor , conversion coefficient , conversion multiplier , conversion offset , created , creator , currency exponent , data encoding , data structure , datatype , dbpedia match , default , defined unit , defined unit of system , denominator dimension vector , denominator dimension vector , derived coherent unit , derived quantity kind of system , derived unit , description , description (plain text) , dimension exponent , dimension exponent for amount of substance , dimension exponent for electric current , dimension exponent for length , dimension exponent for luminous intensity , dimension exponent for mass , dimension exponent for thermodynamic temperature , dimension exponent for time , dimension inverse , dimension vector for SI , dimensionless exponent , element , element kind , element type , encoding , exact constant , exact match , example , expression , field code , figure , figure caption , figure label , generalization , guidance , has base quantity kind , has coherent derived unit , has dimension , has dimension vector , has non-coherent unit (Deprecated), has quantity , has quantity kind , has quantity kind dimension vector denominator part , has quantity kind dimension vector numerator part , has reference quantity kind , has rule , has unit , has unit system , has vocabulary , height , iec-61360 code , image , image location , informative reference , is base quantity kind of system , is base unit of system , is coherent derived unit of system , is coherent unit of system (Deprecated), is Delta Quantity , is derived unit of system , is dimension in system , is metric unit , is non-coherent derived unit of system , is quantity kind of , is scaling of , is unit of system , java name , Javascript name , landscape , latex definition , latex symbol , length , literal , lower bound , math definition , mathML definition , matlab name , max exclusive , max inclusive , Microsoft SQL Server name , min exclusive , min inclusive , modified , MySQL name , negative delta limit , normative reference , normative reference (ISO) , numerator dimension vector , numerator dimension vector , numeric value , ODBC name , OLE DB name , om unit , online reference , ORACLE SQL name , order , ordered type , out of scope , permissible maths , permissible transformation , Positive delta limit , prefix , prefix multiplier , prefix unit , protocol buffers name , python name , quantity , quantity value , qudt description , qudt id , rationale , rdfs datatype , reference , reference unit , relative standard uncertainty , relevant quantity kind , Relevant Unit , rights , rule type , scale type , si units expression , source , specialization , standard uncertainty , subject , superseded by , symbol , system definition , system derived quantity kind , system dimension , title , ucum case-insensitive code , ucum case-sensitive code , ucum code , unece common code , unit , unit for , upper bound , url , value , value for quantity , vector magnitude , Vusal Basic name , was derived from , width

### abbreviation (Property)

An abbreviation for a unit is a short ASCII string that is used in place of the full name for the unit in contexts where non-ASCII characters would be problematic, or where using the abbreviation will enhance readability. When a power of abase unit needs to be expressed, such as squares this can be done using abbreviations rather than symbols. For example, <em>sq ft</em> means <em>square foot</em>, and <em>cu ft</em> means <em>cubic foot</em>.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/abbreviation`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### abstract (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://purl.org/dc/terms/abstract`

This property is a
**annotation** property.

The range of this property is | xsd:string |

#### In use

This property is defined by dcterm:

### acronym (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/acronym`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### allowed pattern (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/allowedPattern`

### allowed unit (Property)

This property relates a unit system with a unit of measure that is not defined by or part of the system, but is allowed for use within the system. An allowed unit must be convertible to some dimensionally eqiuvalent unit that is defined by the system.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasAllowedUnit`

This property is a
**object** property.

This property is a inverse property of | allowed unit of system |

This property is a sub property of | has unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### allowed unit of system (Property)

This property relates a unit of measure with a unit system that does not define the unit, but allows its use within the system. An allowed unit must be convertible to some dimensionally eqiuvalent unit that is defined by the system.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/allowedUnitOfSystem`

This property is a
**object** property.

This property is a inverse property of | allowed unit |

This property is a sub property of | is unit of system |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### ANSI SQL Name (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/ansiSQLName`

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### applicable CGS unit (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/applicableCGSUnit`

This property is a
**object** property.

The range of this property is | Unit |

This property is a sub property of | applicable unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### applicable Imperial unit (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/applicableImperialUnit`

This property is a
**object** property.

The range of this property is | Unit |

This property is a sub property of | applicable unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### applicable ISO unit (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/applicableISOUnit`

This property is a
**object** property.

The range of this property is | Unit |

This property is a sub property of | applicable unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### applicable physical constant (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/applicablePhysicalConstant`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### applicable Planck unit (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/applicablePlanckUnit`

This property is a
**object** property.

The range of this property is | Unit |

This property is a sub property of | applicable unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### applicable SI unit (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/applicableSIUnit`

This property is a
**object** property.

The range of this property is | Unit |

This property is a sub property of | applicable unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### applicable unit (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/applicableUnit`

This property is a
**object** property.

The range of this property is | Unit |

This property is a super property of | applicable CGS unit applicable Imperial unit applicable ISO unit applicable Planck unit applicable SI unit applicable US Customary unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### applicable US Customary unit (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/applicableUSCustomaryUnit`

This property is a
**object** property.

The range of this property is | Unit |

This property is a sub property of | applicable unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### base CGS unit dimensions (Property)

<em>qudt:baseCGSUnitDimensions</em> is a string datatype property expressing the dimensions of a unit, or quantity, as a vector over the base units in the CGS System.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/baseCGSUnitDimensions`

This property is a
**data** property.

The range of this property is | xsd:string |

This property is a sub property of | base unit dimensions |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### base dimension enumeration (Property)

This property associates a system of quantities with an enumeration that enumerates the base dimensions of the system in canonical order.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/baseDimensionEnumeration`

This property is a
**functional**,
**object** property.

The range of this property is | Enumeration |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### base Imperial unit dimensions (Property)

<strong>qudt:baseImperialUnitDimensions</strong> is a string datatype property expressing the dimensions of a unit, or quantity, as a vector over the base units in the Imperial System.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/baseImperialUnitDimensions`

This property is a
**data** property.

The range of this property is | xsd:string |

This property is a sub property of | base unit dimensions |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### base ISO unit dimensions (Property)

<strong>qudt:baseISOUnitDimensions</strong> is a string datatype property expressing the dimensions of a unit, or quantity, as a vector over the base units in the ISO System.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/baseISOUnitDimensions`

This property is a
**data** property.

The range of this property is | http://qudt.org/schema/qudt/LatexString |

This property is a sub property of | base unit dimensions |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### base SI unit dimensions (Property)

<strong>qudt:baseSIUnitDimensions</strong> is a string datatype property expressing the dimensions of a unit, or quantity, as a vector over the base units. For example, in the SI system \(capacitance\) has the unit \(Farad\) and base unit dimensions of \(C^2 \cdot s^2 / (kg \cdot m^2)\).

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/baseSIUnitDimensions`

This property is a
**data** property.

The range of this property is | xsd:string |

This property is a sub property of | base unit dimensions |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### base unit (Property)

This property relates a system of units to a base unit defined within the system. The base units of a system are used to define the derived units of the system by expressing the derived units as products of the base units raised to a rational power.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasBaseUnit`

This property is a
**object** property.

This property is a inverse property of | is base unit of system |

This property is a sub property of | coherent unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### base unit dimensions (Property)

"qudt:baseUnitDimensions" is a string datatype property expressing the dimensions of a unit, or quantity, as a vector over the base units.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/baseUnitDimensions`

This property is a
**data** property.

The range of this property is | xsd:string |

This property is a super property of | base CGS unit dimensions base Imperial unit dimensions base ISO unit dimensions base SI unit dimensions base US Customary unit dimensions |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### base US Customary unit dimensions (Property)

"qudt:baseUSCustomaryUnitDimensions" is a string datatype property expressing the dimensions of a unit, or quantity, as a vector over the base units in the US Customary System.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/baseUSCustomaryUnitDimensions`

This property is a
**data** property.

The range of this property is | xsd:string |

This property is a sub property of | base unit dimensions |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### basis (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/basis`

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### belongs to system of quantities (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/belongsToSystemOfQuantities`

This property is a
**object** property.

The domain of this property is | Quantity Kind |

The range of this property is | System of Quantity Kinds |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### bit order (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/bitOrder`

This property is a
**object** property.

The range of this property is | Endian Type |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### bits (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/bits`

The range of this property is | xsd:integer |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### bounded (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/bounded`

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### byte order (Property)

Byte order is an enumeration of two values: 'Big Endian' and 'Little Endian' and is used to denote whether the most signiticant byte is either first or last, respectively.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/byteOrder`

This property is a
**object** property.

The range of this property is | Endian Type |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### bytes (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/bytes`

This property is a
**data** property.

The range of this property is | xsd:integer |

### C Language name (Property)

Datatype name in the C programming language

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/cName`

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### cardinality (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/cardinality`

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### categorized as (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/categorizedAs`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### citation (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/citation`

This property is a
**annotation** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### code (Property)

A code is a string that uniquely identifies a QUDT concept. The code is constructed from the designator.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/code`

This property is a
**data** property.

The domain of this property is | QUDT Concept |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### coherent unit (Property)

A coherent unit of measurement for a unit system is a defined unit that may be expressed as a product of powers of the system's base units with the proportionality factor of one.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasCoherentUnit`

This property is a
**object** property.

This property is a inverse property of | is coherent unit of system |

This property is a sub property of | defined unit |

This property is a super property of | base unit derived coherent unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### coherent unit system (Property)

<p>A system of units is coherent with respect to a system of quantities and equations if the system of units is chosen in such a way that the equations between numerical values have exactly the same form (including the numerical factors) as the corresponding equations between the quantities. In such a coherent system, no numerical factor other than the number 1 ever occurs in the expressions for the derived units in terms of the base units. For example, the \(newton\) and the \(joule\). These two are, respectively, the force that causes one kilogram to be accelerated at 1 metre per (1) second per (1) second, and the work done by 1 newton acting over 1 metre. Being coherent refers to this consistent use of 1. In the old c.g.s. system , with its base units the centimetre and the gram, the corresponding coherent units were the dyne and the erg, respectively the force that causes 1 gram to be accelerated at 1 centimetre per (1) second per (1) second, and the work done by 1 dyne acting over 1 centimetre. So \(1\,newton = 10^5 dyne\), \(1 joule = 10^7 erg\), making each of the four compatible in a decimal sense within its respective other system, but not coherent therein.</p>

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/coherentUnitSystem`

This property is a
**functional**,
**object** property.

This property is a sub property of | has unit system |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### contributor (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://purl.org/dc/terms/contributor`

The range of this property is | xsd:string |

#### In use

This property has 6 occurrences

### conversion coefficient (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/conversionCoefficient`

This property is a
**data** property.

The range of this property is | xsd:double |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### conversion multiplier (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/conversionMultiplier`

This property is a
**functional**,
**data** property.

The range of this property is | xsd:double |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### conversion offset (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/conversionOffset`

This property is a
**functional**,
**data** property.

The range of this property is | xsd:double |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### created (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://purl.org/dc/terms/created`

The range of this property is | xsd:date |

#### In use

This property has 1 occurrences

### creator (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://purl.org/dc/terms/creator`

This property is a
**annotation** property.

The range of this property is | xsd:string |

### currency exponent (Property)

The currency exponent indicates the number of decimal places between a major currency unit and its minor currency unit. For example, the US dollar is the major currency unit of the United States, and the US cent is the minor currency unit. Since one cent is 1/100 of a dollar, the US dollar has a currency exponent of 2. However, the Japanese Yen has no minor currency units, so the yen has a currency exponent of 0.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/currencyExponent`

This property is a
**functional**,
**data** property.

The range of this property is | xsd:integer |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### data encoding (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dataEncoding`

This property is a
**object** property.

The range of this property is | Data Encoding |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### data structure (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dataStructure`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### datatype (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dataType`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### dbpedia match (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dbpediaMatch`

This property is a
**annotation** property.

The range of this property is | xsd:anyURI |

### default (Property)

The default element in an enumeration

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/default`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### defined unit (Property)

This property relates a unit system with a unit of measure that is defined by the system.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasDefinedUnit`

This property is a
**object** property.

This property is a inverse property of | defined unit of system |

This property is a sub property of | has unit |

This property is a super property of | coherent unit has non-coherent unit prefix unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### defined unit of system (Property)

This property relates a unit of measure with the unit system that defines the unit.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/definedUnitOfSystem`

This property is a
**object** property.

This property is a inverse property of | defined unit |

This property is a sub property of | is unit of system |

This property is a super property of | is coherent unit of system |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### denominator dimension vector (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/denominatorDimensionVector`

This property is a
**object** property.

The range of this property is | Quantity Kind Dimension Vector |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### denominator dimension vector (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/qkdvDenominator`

This property is a
**object** property.

The range of this property is | Quantity Kind Dimension Vector |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### derived coherent unit (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasDerivedCoherentUnit`

This property is a
**object** property.

This property is a inverse property of | is coherent derived unit of system |

This property is a sub property of | coherent unit derived unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### derived quantity kind of system (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/derivedQuantityKindOfSystem`

This property is a
**object** property.

This property is a inverse property of | system derived quantity kind |

This property is a sub property of | is quantity kind of |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### derived unit (Property)

This property relates a system of units to a unit of measure that is defined within the system in terms of the base units for the system. That is, the derived unit is defined as a product of the base units for the system raised to some rational power.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasDerivedUnit`

This property is a
**object** property.

This property is a inverse property of | is derived unit of system |

This property is a super property of | derived coherent unit has coherent derived unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### description (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://purl.org/dc/terms/description`

This property is a
**annotation** property.

This property is a super property of | qudt description |

#### In use

This property has 78 occurrences

### description (plain text) (Property)

A plain text description is used to provide a description with only simple ASCII characters for cases where LaTeX , HTML or other markup would not be appropriate.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/plainTextDescription`

This property is a
**data** property.

The range of this property is | xsd:string |

### dimension exponent (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dimensionExponent`

This property is a
**data** property.

The range of this property is | dtype:numericUnion |

This property is a super property of | dimension exponent for amount of substance dimension exponent for electric current dimension exponent for length dimension exponent for luminous intensity dimension exponent for mass dimension exponent for thermodynamic temperature dimension exponent for time dimensionless exponent |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### dimension exponent for amount of substance (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dimensionExponentForAmountOfSubstance`

This property is a
**data** property.

This property is a sub property of | dimension exponent |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### dimension exponent for electric current (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dimensionExponentForElectricCurrent`

This property is a
**data** property.

The range of this property is | xsd:integer |

This property is a sub property of | dimension exponent |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### dimension exponent for length (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dimensionExponentForLength`

This property is a
**data** property.

This property is a sub property of | dimension exponent |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### dimension exponent for luminous intensity (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dimensionExponentForLuminousIntensity`

This property is a
**data** property.

This property is a sub property of | dimension exponent |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### dimension exponent for mass (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dimensionExponentForMass`

This property is a
**data** property.

This property is a sub property of | dimension exponent |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### dimension exponent for thermodynamic temperature (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dimensionExponentForThermodynamicTemperature`

This property is a
**data** property.

This property is a sub property of | dimension exponent |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### dimension exponent for time (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dimensionExponentForTime`

This property is a
**data** property.

This property is a sub property of | dimension exponent |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### dimension inverse (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dimensionInverse`

This property is a
**functional**,
**inverse functional**,
**symmetric**,
**object** property.

This property is a inverse property of | dimension inverse |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### dimension vector for SI (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dimensionVectorForSI`

This property is a
**object** property.

The range of this property is | Quantity Kind Dimension vector (SI) |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### dimensionless exponent (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/dimensionlessExponent`

This property is a
**data** property.

This property is a sub property of | dimension exponent |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### element (Property)

An element of an enumeration

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/element`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### element kind (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/elementKind`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### element type (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/elementType`

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### encoding (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/encoding`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### exact constant (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/exactConstant`

This property is a
**data** property.

The range of this property is | xsd:boolean |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### exact match (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/exactMatch`

This property is a
**object** property.

The range of this property is | Unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### example (Property)

The 'qudt:example' property is used to annotate an instance of a class with a reference to a concept that is an example. The type of this property is 'rdf:Property'. This allows both scalar and object ranges.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/example`

This property is a
**annotation** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### expression (Property)

An 'expression' is a finite combination of symbols that are well-formed according to rules that apply to units of measure, quantity kinds and their dimensions.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/expression`

This property is a
**annotation** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### field code (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/fieldCode`

This property is a
**annotation** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### figure (Property)

Provides a link to an image.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/figure`

This property is a
**annotation** property.

The range of this property is | Figure |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### figure caption (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/figureCaption`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### figure label (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/figureLabel`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### generalization (Property)

This property relates a quantity kind to its generalization. A quantity kind, PARENT, is a generalization of the quantity kind CHILD only if: 1. PARENT and CHILD have the same dimensions in every system of quantities; 2. Every unit that is a measure of quantities of kind CHILD is also a valid measure of quantities of kind PARENT.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/generalization`

This property is a
**object** property.

This property is a inverse property of | specialization |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### guidance (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/guidance`

This property is a
**annotation** property.

The domain of this property is | QUDT Concept |

The range of this property is | rdf:HTML |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### has base quantity kind (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasBaseQuantityKind`

This property is a
**functional**,
**object** property.

This property is a inverse property of | is base quantity kind of system |

This property is a sub property of | has quantity kind |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### has coherent derived unit (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasDerivedNonCoherentUnit`

This property is a
**object** property.

This property is a inverse property of | is non-coherent derived unit of system |

This property is a sub property of | derived unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### has dimension (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasDimension`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### has dimension vector (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasDimensionVector`

This property is a
**object** property.

The range of this property is | Quantity Kind Dimension Vector |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### has non-coherent unit (Property) (Deprecated)

A coherent unit of measurement for a unit system is a defined unit that may be expressed as a product of powers of the system's base units with the proportionality factor of one.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasNonCoherentUnit`

This property is a
**object** property.

This property is a inverse property of | is coherent unit of system |

This property is a sub property of | defined unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### has quantity (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasQuantity`

This property is a
**object** property.

The range of this property is | Quantity |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### has quantity kind (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasQuantityKind`

This property is a
**object** property.

This property is a inverse property of | is quantity kind of |

The range of this property is | Quantity Kind |

This property is a super property of | has base quantity kind system derived quantity kind |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### has quantity kind dimension vector denominator part (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasDenominatorPart`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### has quantity kind dimension vector numerator part (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasNumeratorPart`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### has reference quantity kind (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasReferenceQuantityKind`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### has rule (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasRule`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### has unit (Property)

This property relates a system of units with a unit of measure that is either a) defined by the system, or b) accepted for use by the system and is convertible to a unit of equivalent dimension that is defined by the system. Systems of units may distinguish between base and derived units. Base units are the units which measure the base quantities for the corresponding system of quantities. The base units are used to define units for all other quantities as products of powers of the base units. Such units are called derived units for the system.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasUnit`

This property is a
**object** property.

This property is a inverse property of | is unit of system |

This property is a super property of | allowed unit defined unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### has unit system (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasUnitSystem`

This property is a
**functional**,
**object** property.

This property is a super property of | coherent unit system |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### has vocabulary (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasVocabulary`

This property is a
**annotation** property.

The range of this property is | owl:Ontology |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### height (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/height`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### iec-61360 code (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/iec61360Code`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### image (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/image`

This property is a
**data** property.

The range of this property is | xsd:anyURI |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### image location (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/imageLocation`

This property is a
**data** property.

The range of this property is | xsd:anyURI |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### informative reference (Property)

Provides a way to reference a source that provided useful but non-normative information.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/informativeReference`

This property is a
**annotation** property.

The range of this property is | xsd:anyURI |

### is base quantity kind of system (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/isBaseQuantityKindOfSystem`

This property is a
**object** property.

This property is a inverse property of | has base quantity kind |

This property is a sub property of | is quantity kind of |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### is base unit of system (Property)

This property relates a unit of measure to the system of units in which it is defined as a base unit for the system. The base units of a system are used to define the derived units of the system by expressing the derived units as products of the base units raised to a rational power.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/baseUnitOfSystem`

This property is a
**object** property.

This property is a inverse property of | base unit |

This property is a sub property of | is coherent unit of system |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### is coherent derived unit of system (Property)

This property relates a unit of measure to the unit system in which the unit is derived from the system's base units with a proportionality constant of one.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/derivedCoherentUnitOfSystem`

This property is a
**object** property.

This property is a inverse property of | derived coherent unit |

This property is a sub property of | is coherent unit of system is derived unit of system |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### is coherent unit of system (Property) (Deprecated)

A coherent unit of measurement for a unit system is a defined unit that may be expressed as a product of powers of the system's base units with the proportionality factor of one. A system of units is coherent with respect to a system of quantities and equations if the system of units is chosen in such a way that the equations between numerical values have exactly the same form (including the numerical factors) as the corresponding equations between the quantities. For example, the 'newton' and the 'joule'. These two are, respectively, the force that causes one kilogram to be accelerated at 1 metre per second per second, and the work done by 1 newton acting over 1 metre. Being coherent refers to this consistent use of 1. In the old c.g.s. system , with its base units the centimetre and the gram, the corresponding coherent units were the dyne and the erg, respectively the force that causes 1 gram to be accelerated at 1 centimetre per second per second, and the work done by 1 dyne acting over 1 centimetre. So \(1 newton = 10^5\,dyne\), \(1 joule = 10^7\,erg\), making each of the four compatible in a decimal sense within its respective other system, but not coherent therein.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/coherentUnitOfSystem`

This property is a
**object** property.

This property is a inverse property of | coherent unit |

The range of this property is | System of Units |

This property is a sub property of | defined unit of system |

This property is a super property of | is base unit of system is coherent derived unit of system |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### is Delta Quantity (Property)

This property is used to identify a Quantity instance that is a measure of a change, or interval, of some property, rather than a measure of its absolute value. This is important for measurements such as temperature differences where the conversion among units would be calculated differently because of offsets.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/isDeltaQuantity`

This property is a
**data** property.

The range of this property is | xsd:boolean |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### is derived unit of system (Property)

This property relates a unit of measure to the system of units in which it is defined as a derived unit. That is, the derived unit is defined as a product of the base units for the system raised to some rational power.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/derivedUnitOfSystem`

This property is a
**object** property.

This property is a inverse property of | derived unit |

This property is a sub property of | is unit of system |

This property is a super property of | is coherent derived unit of system is non-coherent derived unit of system |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### is dimension in system (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/isDimensionInSystem`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### is metric unit (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/isMetricUnit`

This property is a
**data** property.

The range of this property is | xsd:boolean |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### is non-coherent derived unit of system (Property)

This property relates a unit of measure to the unit system in which the unit is derived from the system's base units without proportionality constant of one.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/derivedNonCoherentUnitOfSystem`

This property is a
**object** property.

This property is a inverse property of | has coherent derived unit |

The range of this property is | System of Units |

This property is a sub property of | is derived unit of system |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### is quantity kind of (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/isQuantityKindOf`

This property is a
**object** property.

This property is a inverse property of | has quantity kind |

This property is a super property of | derived quantity kind of system is base quantity kind of system |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### is scaling of (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/isScalingOf`

This property is a
**transitive**,
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### is unit of system (Property)

This property relates a unit of measure with a system of units that either a) defines the unit or b) allows the unit to be used within the system.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/unitOfSystem`

This property is a
**object** property.

This property is a inverse property of | has unit |

The domain of this property is | Unit |

The range of this property is | System of Units |

This property is a super property of | allowed unit of system defined unit of system is derived unit of system |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### java name (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/javaName`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### Javascript name (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/jsName`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### landscape (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/landscape`

This property is a
**data** property.

The range of this property is | xsd:boolean |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### latex definition (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/latexDefinition`

This property is a
**annotation** property.

The range of this property is | http://qudt.org/schema/qudt/LatexString |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### latex symbol (Property)

The symbol is a glyph that is used to represent some concept, typically a unit or a quantity, in a compact form. For example, the symbol for an Ohm is \(ohm\). This contrasts with 'unit:abbreviation', which gives a short alphanumeric abbreviation for the unit, 'ohm' for Ohm.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/latexSymbol`

This property is a
**data** property.

The range of this property is | xsd:string |

This property is a sub property of | literal |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### length (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/length`

The range of this property is | xsd:integer |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### literal (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/literal`

This property is a
**data** property.

The range of this property is | xsd:string |

This property is a super property of | latex symbol symbol |

### lower bound (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/lowerBound`

This property is a
**data** property.

This property is a super property of | min exclusive min inclusive |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### math definition (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/mathDefinition`

This property is a
**data** property.

The range of this property is | xsd:string |

This property is a super property of | mathML definition |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### mathML definition (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/mathMLdefinition`

This property is a
**data** property.

The range of this property is | xsd:string |

This property is a sub property of | math definition |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### matlab name (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/matlabName`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### max exclusive (Property)

maxExclusive is the exclusive upper bound of the value space for a datatype with the ordered property. The value of maxExclusive must be in the value space of the base type or be equal to {value} in {base type definition}.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/maxExclusive`

This property is a
**data** property.

The range of this property is | xsd:string |

This property is a sub property of | upper bound |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### max inclusive (Property)

maxInclusive is the inclusive upper bound of the value space for a datatype with the ordered property. The value of maxInclusive must be in the value space of the base type.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/maxInclusive`

This property is a
**data** property.

This property is a sub property of | upper bound |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### Microsoft SQL Server name (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/microsoftSQLServerName`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### min exclusive (Property)

minExclusive is the exclusive lower bound of the value space for a datatype with the ordered property. The value of minExclusive must be in the value space of the base type or be equal to {value} in {base type definition}.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/minExclusive`

This property is a
**data** property.

This property is a sub property of | lower bound |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### min inclusive (Property)

minInclusive is the inclusive lower bound of the value space for a datatype with the ordered property. The value of minInclusive must be in the value space of the base type.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/minInclusive`

This property is a
**data** property.

This property is a sub property of | lower bound |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### modified (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://purl.org/dc/terms/modified`

The range of this property is | xsd:date |

#### In use

This property has 1 occurrences

### MySQL name (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/mySQLName`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### negative delta limit (Property)

A negative change limit between consecutive sample values for a parameter. The Negative Delta may be the encoded value or engineering units value depending on whether or not a Calibrator is defined.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/negativeDeltaLimit`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### normative reference (Property)

Provides a way to reference information that is an authorative source providing a standard definition

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/normativeReference`

This property is a
**annotation** property.

The range of this property is | xsd:anyURI |

This property is a super property of | normative reference (ISO) |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### normative reference (ISO) (Property)

Provides a way to reference the ISO unit definition.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/isoNormativeReference`

This property is a
**annotation** property.

The range of this property is | xsd:anyURI |

This property is a sub property of | normative reference |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### numerator dimension vector (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/qkdvNumerator`

This property is a
**object** property.

The range of this property is | Quantity Kind Dimension Vector |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### numerator dimension vector (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/numeratorDimensionVector`

This property is a
**object** property.

The range of this property is | Quantity Kind Dimension Vector |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### numeric value (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/numericValue`

This property is a
**data** property.

The range of this property is | dtype:numericUnion |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### ODBC name (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/odbcName`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### OLE DB name (Property)

OLE DB (Object Linking and Embedding, Database, sometimes written as OLEDB or OLE-DB), an API designed by Microsoft, allows accessing data from a variety of sources in a uniform manner. The API provides a set of interfaces implemented using the Component Object Model (COM); it is otherwise unrelated to OLE.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/oleDBName`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### om unit (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/omUnit`

This property is a
**object** property.

The domain of this property is | Unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### online reference (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/onlineReference`

This property is a
**annotation** property.

The range of this property is | xsd:anyURI |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### ORACLE SQL name (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/oracleSQLName`

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### order (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/order`

This property is a
**data** property.

The range of this property is | xsd:nonNegativeInteger |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### ordered type (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/orderedType`

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### out of scope (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/outOfScope`

This property is a
**annotation** property.

The range of this property is | xsd:boolean |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### permissible maths (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/permissibleMaths`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### permissible transformation (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/permissibleTransformation`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### Positive delta limit (Property)

A positive change limit between consecutive sample values for a parameter. The Positive Delta may be the encoded value or engineering units value depending on whether or not a Calibrator is defined.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/positiveDeltaLimit`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### prefix (Property)

Associates a unit with the appropriate prefix, if any.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/prefix`

This property is a
**object** property.

The range of this property is | Prefix |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### prefix multiplier (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/prefixMultiplier`

This property is a
**functional**,
**data** property.

The range of this property is | xsd:double |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### prefix unit (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/hasPrefixUnit`

This property is a
**object** property.

This property is a sub property of | defined unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### protocol buffers name (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/protocolBuffersName`

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### python name (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/pythonName`

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### quantity (Property)

a property to relate an observable thing with a quantity (qud:Quantity)

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/quantity`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### quantity value (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/quantityValue`

This property is a
**object** property.

This property is a inverse property of | value for quantity |

The range of this property is | Quantity value |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### qudt description (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/description`

This property is a
**annotation** property.

The range of this property is | rdf:HTML |

This property is a sub property of | description |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### qudt id (Property)

The "qudt:id" is an identifier string that uniquely identifies a QUDT concept. The identifier is constructed using a prefix. For example, units are coded using the pattern: "UCCCENNNN", where "CCC" is a numeric code or a category and "NNNN" is a digit string for a member element of that category. For scaled units there may be an addition field that has the format "QNN" where "NN" is a digit string representing an exponent power, and "Q" is a qualifier that indicates with the code "P" that the power is a positive decimal exponent, or the code "N" for a negative decimal exponent, or the code "B" for binary positive exponents.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/id`

This property is a
**data** property.

The domain of this property is | QUDT Concept |

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### rationale (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/rationale`

This property is a
**data** property.

The range of this property is | rdf:HTML |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### rdfs datatype (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/rdfsDatatype`

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### reference (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/reference`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### reference unit (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/referenceUnit`

This property is a
**functional**,
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### relative standard uncertainty (Property)

The relative standard uncertainty of a measurement is the (absolute) standard uncertainty divided by the magnitude of the exact value.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/relativeStandardUncertainty`

This property is a
**data** property.

The range of this property is | xsd:double |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### relevant quantity kind (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/relevantQuantityKind`

This property is a
**object** property.

The range of this property is | Quantity Kind |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### Relevant Unit (Property)

This property is used for qudt:Discipline instances to identify the Unit instances that are used within a given discipline.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/relevantUnit`

This property is a
**object** property.

The range of this property is | Unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### rights (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://purl.org/dc/terms/rights`

This property is a
**annotation** property.

The range of this property is | xsd:string |

#### In use

This property has 1 occurrences

### rule type (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/ruleType`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### scale type (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/scaleType`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### si units expression (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/siUnitsExpression`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### source (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://purl.org/dc/terms/source`

This property is a
**annotation** property.

The range of this property is | xsd:anyURI |

#### In use

This property is defined by dcterm:

### specialization (Property)

This property relates a quantity kind to its specialization(s). For example, linear velocity and angular velocity are both specializations of velocity.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/specialization`

This property is a
**object** property.

This property is a inverse property of | generalization |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### standard uncertainty (Property)

The standard uncertainty of a quantity is the estimated standard deviation of the mean taken from a series of measurements.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/standardUncertainty`

This property is a
**data** property.

The range of this property is | xsd:double |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### subject (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://purl.org/dc/terms/subject`

This property is a
**annotation** property.

The range of this property is | xsd:string |

#### In use

This property has 1 occurrences

### superseded by (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://voag.linkedmodel.org/schema/voag#supersededBy`

This property is a
**object** property.

#### In use

This property is defined by http://voag.linkedmodel.org/schema/voag

### symbol (Property)

The symbol is a glyph that is used to represent some concept, typically a unit or a quantity, in a compact form. For example, the symbol for an Ohm is \(ohm\). This contrasts with 'unit:abbreviation', which gives a short alphanumeric abbreviation for the unit, 'ohm' for Ohm.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/symbol`

This property is a
**data** property.

The range of this property is | xsd:string |

This property is a sub property of | literal |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### system definition (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/systemDefinition`

This property is a
**transitive**,
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### system derived quantity kind (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/systemDerivedQuantityKind`

This property is a
**object** property.

This property is a inverse property of | derived quantity kind of system |

This property is a sub property of | has quantity kind |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### system dimension (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/systemDimension`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### title (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://purl.org/dc/terms/title`

This property is a
**annotation** property.

The range of this property is | xsd:string |

#### In use

This property has 1 occurrences

### ucum case-insensitive code (Property)

<em>ucumCode</em> associates a QUDT unit with a UCUM case-insensitive code.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/ucumCaseInsensitiveCode`

This property is a
**data** property.

This property is a sub property of | ucum code |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### ucum case-sensitive code (Property)

<em>ucumCode</em> associates a QUDT unit with with a UCUM case-sensitive code.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/ucumCaseSensitiveCode`

This property is a
**data** property.

This property is a sub property of | ucum code |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### ucum code (Property)

<p><em>ucumCode</em> associates a QUDT unit with its UCUM counterpart.</p><p>In SHACL the values are derived from specifi ucum properties using 'sh:values'.</p>

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/ucumCode`

This property is a
**data** property.

This property is a super property of | ucum case-insensitive code ucum case-sensitive code |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### unece common code (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/uneceCommonCode`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### unit (Property)

A reference to the unit of measure of a quantity (variable or constant) of interest.

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/unit`

This property is a
**object** property.

This property is a inverse property of | unit for |

The range of this property is | Unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### unit for (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/unitFor`

This property is a
**object** property.

This property is a inverse property of | unit |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### upper bound (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/upperBound`

This property is a
**data** property.

The range of this property is | xsd:anySimpleType |

This property is a super property of | max exclusive max inclusive |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### url (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/url`

This property is a
**data** property.

The range of this property is | xsd:anyURI |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### value (Property)

A property to relate an observable thing with a value that can be of any simple XSD type

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/value`

This property is a
**object** property.

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### value for quantity (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/valueQuantity`

This property is a
**object** property.

This property is a inverse property of | quantity value |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### vector magnitude (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/vectorMagnitude`

This property is a
**functional**,
**data** property.

The range of this property is | xsd:float |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### Vusal Basic name (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/vbName`

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

### was derived from (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://www.w3.org/ns/prov#wasDerivedFrom`

The range of this property is | QUDT Concept |

#### In use

This property is defined by http://www.w3.org/ns/prov

### width (Property)

*{{No description available}}*

#### Definition

The **URI** of this property is `http://qudt.org/schema/qudt/width`

This property is a
**data** property.

The range of this property is | xsd:string |

#### In use

This property is defined by QUDT Schema - Version 2.1.2

## Individuals

Big Endian , Boolean Encoding , Char Encoding , Countably Infinite Cardinality Type , Finite Cardinality Type , IEEE 754 1985 Real Encoding , ISO 8601 UTC Date Time - Basic Format , Little Endian , Long Unsigned Integer Encoding , OCTET Encoding , Partially Ordered , QUDT , QUDT Aspect , QUDT Schema - Version 2.1.2 , QUDT Schema Catalog Entry , Short Signed Integer Encoding , Short Unsigned Integer Encoding , Signed , Signed Integer Encoding , Single Precision Real Encoding , Single Precision Real Encoding , Totally Ordered , Uncountable Cardinality Type , Unordered , Unsigned , Unsigned Integer Encoding , UTF-16 String , UTF-8 Encoding , Verifiable , Wikipedia

### Big Endian (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/BigEndian`

Big Endian | dtype:literal | big |

### Boolean Encoding (Individual)

*{{No description available}}*

### Char Encoding (Individual)

7 bits of 1 octet

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/CharEncoding`

Char Encoding | http://qudt.org/schema/qudt/bytes | 1 |

### Countably Infinite Cardinality Type (Individual)

A set of numbers is called countably infinite if there is a way to enumerate them. Formally this is done with a bijection function that associates each number in the set with exactly one of the positive integers. The set of all fractions is also countably infinite. In other words, any set \(X\) that has the same cardinality as the set of the natural numbers, or \(| X | \; = \; | \mathbb N | \; = \; \aleph0\), is said to be a countably infinite set.

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/CT_COUNTABLY-INFINITE`

Countably Infinite Cardinality Type | http://qudt.org/schema/qudt/informativeReference | http://www.math.vanderbilt.edu/~schectex/courses/infinity.pdf |

Countably Infinite Cardinality Type | http://qudt.org/schema/qudt/literal | countable |

${uri} | rdf:first | Countably Infinite Cardinality Type |

### Finite Cardinality Type (Individual)

Any set \(X\) with cardinality less than that of the natural numbers, or \(| X | \\; < \; | \\mathbb N | \), is said to be a finite set.

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/CT_FINITE`

Finite Cardinality Type | http://qudt.org/schema/qudt/literal | finite |

${uri} | rdf:first | Finite Cardinality Type |

### IEEE 754 1985 Real Encoding (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/IEEE754_1985RealEncoding`

IEEE 754 1985 Real Encoding | http://qudt.org/schema/qudt/bytes | 32 |

### ISO 8601 UTC Date Time - Basic Format (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/ISO8601-UTCDateTime-BasicFormat`

ISO 8601 UTC Date Time - Basic Format | http://qudt.org/schema/qudt/allowedPattern | [0-9]{4}[0-9]{2}[0-9]{2}T[0-9]{2}[0-9]{2}[0-9]{2}.[0-9]+Z |

ISO 8601 UTC Date Time - Basic Format | http://qudt.org/schema/qudt/allowedPattern | [0-9]{4}[0-9]{2}[0-9]{2}T[0-9]{2}[0-9]{2}[0-9]{2}Z |

### Little Endian (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/LittleEndian`

Little Endian | dtype:literal | little |

### Long Unsigned Integer Encoding (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/LongUnsignedIntegerEncoding`

Long Unsigned Integer Encoding | http://qudt.org/schema/qudt/bytes | 8 |

### OCTET Encoding (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/OctetEncoding`

OCTET Encoding | http://qudt.org/schema/qudt/bytes | 1 |

### Partially Ordered (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/PartiallyOrdered`

Partially Ordered | http://qudt.org/schema/qudt/plainTextDescription | Partial ordered structure. |

Partially Ordered | http://qudt.org/schema/qudt/literal | partial |

${uri} | rdf:first | Partially Ordered |

### QUDT (Individual)

QUDT is a non-profit organization that governs the QUDT ontologies.

#### Definition

The **URI** of this individual is `http://www.linkedmodel.org/schema/vaem#QUDT`

QUDT | vaem:graphName | qudt.org |

QUDT | vaem:website | http:/www.qudt.org |

http://www.linkedmodel.org/schema/vaem#GMD_QUDT-SCHEMA | vaem:hasSteward | QUDT |

http://www.linkedmodel.org/schema/vaem#GMD_QUDT-SCHEMA | vaem:hasOwner | QUDT |

### QUDT Aspect (Individual)

An aspect is an abstract type class that defines properties that can be reused.

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/Aspect`

QUDT Aspect | rdfs:subClassOf | http://www.w3.org/2002/07/owl#Thing |

### QUDT Schema - Version 2.1.2 (Individual)

<p class="lm-para">The QUDT, or "Quantity, Unit, Dimension and Type" schema defines the base classes properties, and restrictions used for modeling physical quantities, units of measure, and their dimensions in various measurement systems. The goal of the QUDT ontology is to provide a unified model of, measurable quantities, units for measuring different kinds of quantities, the numerical values of quantities in different units of measure and the data structures and data types used to store and manipulate these objects in software.</p> <p class="lm-para">Except for unit prefixes, all units are specified in separate vocabularies. Descriptions are provided in both HTML and LaTeX formats. A quantity is a measure of an observable phenomenon, that, when associated with something, becomes a property of that thing; a particular object, event, or physical system. </p> <p class="lm-para">A quantity has meaning in the context of a measurement (i.e. the thing measured, the measured value, the accuracy of measurement, etc.) whereas the underlying quantity kind is independent of any particular measurement. Thus, length is a quantity kind while the height of a rocket is a specific quantity of length; its magnitude that may be expressed in meters, feet, inches, etc. Or, as stated at Wikipedia, in the language of measurement, quantities are quantifiable aspects of the world, such as time, distance, velocity, mass, momentum, energy, and weight, and units are used to describe their measure. Many of these quantities are related to each other by various physical laws, and as a result the units of some of the quantities can be expressed as products (or ratios) of powers of other units (e.g., momentum is mass times velocity and velocity is measured in distance divided by time).</p>

#### Version Control information

- Last modified

#### Definition

The **URI** of this individual is `http://www.linkedmodel.org/schema/vaem#GMD_QUDT-SCHEMA`

http://qudt.org/2.1/schema/qudt | vaem:hasGraphMetadata | QUDT Schema - Version 2.1.2 |

### Short Signed Integer Encoding (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/ShortSignedIntegerEncoding`

Short Signed Integer Encoding | http://qudt.org/schema/qudt/bytes | 2 |

### Short Unsigned Integer Encoding (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/ShortUnsignedIntegerEncoding`

Short Unsigned Integer Encoding | http://qudt.org/schema/qudt/bytes | 2 |

### Signed (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/SIGNED`

Signed | dtype:literal | signed |

${uri} | rdf:first | Signed |

### Signed Integer Encoding (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/SignedIntegerEncoding`

Signed Integer Encoding | http://qudt.org/schema/qudt/bytes | 4 |

### Single Precision Real Encoding (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/DoublePrecisionEncoding`

Single Precision Real Encoding | http://qudt.org/schema/qudt/bytes | 64 |

### Single Precision Real Encoding (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/SinglePrecisionRealEncoding`

Single Precision Real Encoding | http://qudt.org/schema/qudt/bytes | 32 |

### Totally Ordered (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/TotallyOrdered`

Totally Ordered | http://qudt.org/schema/qudt/literal | total |

Totally Ordered | http://qudt.org/schema/qudt/plainTextDescription | Totally ordered structure. |

${uri} | rdf:first | Totally Ordered |

### Uncountable Cardinality Type (Individual)

Any set with cardinality greater than that of the natural numbers, or \(| X | \; > \; | \mathbb N | \), for example \(| R| \; = \; c \; > |\mathbb N |\), is said to be uncountable.

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/CT_UNCOUNTABLE`

Uncountable Cardinality Type | http://qudt.org/schema/qudt/literal | uncountable |

### Unordered (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/Unordered`

Unordered | http://qudt.org/schema/qudt/literal | unordered |

Unordered | http://qudt.org/schema/qudt/plainTextDescription | Unordered structure. |

${uri} | rdf:first | Unordered |

### Unsigned (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/UNSIGNED`

Unsigned | dtype:literal | unsigned |

${uri} | rdf:first | Unsigned |

### Unsigned Integer Encoding (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/UnsignedIntegerEncoding`

Unsigned Integer Encoding | http://qudt.org/schema/qudt/bytes | 4 |

### UTF-16 String (Individual)

*{{No description available}}*

### UTF-8 Encoding (Individual)

*{{No description available}}*

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/UTF8-StringEncoding`

UTF-8 Encoding | http://qudt.org/schema/qudt/bytes | 8 |

### Verifiable (Individual)

An aspect class that holds properties that provide external knowledge and specifications of a given resource.

#### Definition

The **URI** of this individual is `http://qudt.org/schema/qudt/Verifiable`

### Wikipedia (Individual)

*{{No description available}}*