@prefix : <https://w3id.org/citydata/part1/v1/> .
@prefix cc: <http://creativecommons.org/ns#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix xml: <http://www.w3.org/XML/1998/namespace> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix time: <http://www.w3.org/2006/time#> .
@prefix i72: <https://w3id.org/citydata/21972/v1/> .
@prefix vann: <http://purl.org/vocab/vann/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@base <https://w3id.org/citydata/part1/v1/> .

<https://w3id.org/citydata/part1/v1/CityUnitsPattern> rdf:type owl:Ontology ;
                                                       owl:imports i72: ,
                                                                   :CorePattern ;
                                                       cc:license "http://creativecommons.org/licenses/by/4.0/" ;
                                                       dcterms:alternative "CDM City Units Pattern" ;
                                                       dcterms:creator "Kenneth Vaughn" ,
                                                                       "Mark Fox" ,
                                                                       "Megan Katsumi" ;
                                                       dcterms:modified "2026-02-12"^^xsd:date ;
                                                       dcterms:title "Information technology - City data model - Part 1: Foundation level concepts - City Units Pattern" ;
                                                       vann:preferredNamespacePrefix "cdm1" ;
                                                       vann:preferredNamespaceUri "https://w3id.org/citydata/part1/v1/" ;
                                                       rdfs:comment "The prior version of this ontology used a different ontology IRI. This update remains semantically consistent with the version adopted as ISO 5087-1:2023." ;
                                                       owl:priorVersion <https://standards.iso.org/iso-iec/5087/-1/ed-1/en/ontology/CityUnits/> ;
                                                       owl:versionIRI <https://w3id.org/citydata/part1/v1/CityUnitsPattern/r3.0/> ;
                                                       owl:versionInfo "1.3.0" ;
                                                       skos:definition "This ontology specifies the foundation-level concepts related to the city units pattern of the city data model." .

#################################################################
#    Object Properties
#################################################################

###  https://w3id.org/citydata/part1/v1/CityUnitObjectProperty
:CityUnitObjectProperty rdf:type owl:ObjectProperty ;
                        rdfs:subPropertyOf :FoundationalCdmObjectProperty ;
                        skos:definition "Added for organizational purposes, to identify all city unit object properties defined in the City Data Model." .


#################################################################
#    Data properties
#################################################################

###  https://w3id.org/citydata/part1/v1/CityUnitsDataProperty
:CityUnitsDataProperty rdf:type owl:DatatypeProperty ;
                       rdfs:subPropertyOf :FoundationalCdmDataProperty ;
                       skos:definition "Added for organizational purposes, to identify data properties defined in the City Units Pattern of the CDM ontology." .


###  https://w3id.org/citydata/part1/v1/hasRelativeYear
:hasRelativeYear rdf:type owl:DatatypeProperty ;
                 rdfs:subPropertyOf :CityUnitsDataProperty ;
                 rdfs:range xsd:gYear ;
                 skos:definition "The base year used to define monetary values for a currency." .


#################################################################
#    Classes
#################################################################

###  https://w3id.org/citydata/part1/v1/Acceleration
:Acceleration rdf:type owl:Class ;
              rdfs:subClassOf i72:Quantity ,
                              :CityUnitsThing ,
                              [ rdf:type owl:Restriction ;
                                owl:onProperty i72:value ;
                                owl:allValuesFrom [ rdf:type owl:Class ;
                                  owl:intersectionOf ( [ rdf:type owl:Restriction ;
                                      owl:onProperty i72:unit_of_measure ;
                                      owl:allValuesFrom :AccelerationUnit
                                    ]
                                  )
                                ]
                              ] ;
              rdfs:label "acceleration" .


###  https://w3id.org/citydata/part1/v1/AccelerationUnit
:AccelerationUnit rdf:type owl:Class ;
                  rdfs:subClassOf i72:Unit_of_measure ,
                                  :CityUnitsThing ;
                  rdfs:label "acceleration unit" .


###  https://w3id.org/citydata/part1/v1/AmountOfMoney
:AmountOfMoney rdf:type owl:Class ;
               rdfs:subClassOf i72:Quantity ,
                               :CityUnitsThing ,
                               [ rdf:type owl:Restriction ;
                                 owl:onProperty i72:value ;
                                 owl:allValuesFrom [ rdf:type owl:Class ;
                                   owl:intersectionOf ( [ rdf:type owl:Restriction ;
                                       owl:onProperty i72:unit_of_measure ;
                                       owl:allValuesFrom i72:Monetary_unit
                                     ]
                                   )
                                 ]
                               ] ;
               rdfs:label "amount of money" .


###  https://w3id.org/citydata/part1/v1/Area
:Area rdf:type owl:Class ;
      rdfs:subClassOf i72:Quantity ,
                      :CityUnitsThing ,
                      [ rdf:type owl:Restriction ;
                        owl:onProperty i72:value ;
                        owl:allValuesFrom [ rdf:type owl:Class ;
                          owl:intersectionOf ( [ rdf:type owl:Restriction ;
                              owl:onProperty i72:unit_of_measure ;
                              owl:allValuesFrom :AreaUnit
                            ]
                          )
                        ]
                      ] ;
      rdfs:label "area" ;
      skos:definition "Area expresses the two-dimensional size of a defined part of a surface, typically a region bounded by a closed curve. It is a derived quantity in the International System of Units. Area is length squared." .


###  https://w3id.org/citydata/part1/v1/AreaUnit
:AreaUnit rdf:type owl:Class ;
          rdfs:subClassOf i72:Unit_of_measure ,
                          :CityUnitsThing ;
          rdfs:label "area unit" ;
          skos:definition "Unit of area in the specified system of units." .


###  https://w3id.org/citydata/part1/v1/Capacity
:Capacity rdf:type owl:Class ;
          rdfs:subClassOf :CityUnitsThing .


###  https://w3id.org/citydata/part1/v1/CapacitySize
:CapacitySize rdf:type owl:Class ;
              rdfs:subClassOf i72:Quantity ,
                              :CityUnitsThing ,
                              [ rdf:type owl:Restriction ;
                                owl:onProperty i72:value ;
                                owl:allValuesFrom [ rdf:type owl:Class ;
                                  owl:intersectionOf ( [ rdf:type owl:Restriction ;
                                      owl:onProperty i72:unit_of_measure ;
                                      owl:allValuesFrom i72:Cardinality_unit
                                    ]
                                  )
                                ]
                              ] .


###  https://w3id.org/citydata/part1/v1/CardinalityMeasure
:CardinalityMeasure rdf:type owl:Class ;
                    rdfs:subClassOf i72:Measure ,
                                    :CityUnitsThing ,
                                    [ rdf:type owl:Restriction ;
                                      owl:onProperty i72:unit_of_measure ;
                                      owl:allValuesFrom i72:Cardinality_unit
                                    ] .


###  https://w3id.org/citydata/part1/v1/CardinalityUnitPerTime
:CardinalityUnitPerTime rdf:type owl:Class ;
                        rdfs:subClassOf i72:Unit_division ,
                                        :CityUnitsThing ,
                                        [ rdf:type owl:Restriction ;
                                          owl:onProperty i72:denominator ;
                                          owl:allValuesFrom :TimeUnit
                                        ] ,
                                        [ rdf:type owl:Restriction ;
                                          owl:onProperty i72:numerator ;
                                          owl:allValuesFrom i72:Cardinality_unit
                                        ] .


###  https://w3id.org/citydata/part1/v1/CityUnitsThing
:CityUnitsThing rdf:type owl:Class ;
                rdfs:subClassOf :FoundationalCdmThing ;
                rdfs:comment "Added for organizational purposes to group the classes defined in the City Units portion of the CDM." .


###  https://w3id.org/citydata/part1/v1/Duration
:Duration rdf:type owl:Class ;
          rdfs:subClassOf time:TemporalDuration ,
                          i72:Quantity ,
                          :CityUnitsThing ,
                          [ rdf:type owl:Restriction ;
                            owl:onProperty i72:value ;
                            owl:allValuesFrom [ rdf:type owl:Class ;
                              owl:intersectionOf ( [ rdf:type owl:Restriction ;
                                  owl:onProperty i72:unit_of_measure ;
                                  owl:allValuesFrom :TimeUnit
                                ]
                              )
                            ]
                          ] ;
          rdfs:label "duration" ;
          skos:definition "Duration is the amount of time that elapses between two instants or events." .


###  https://w3id.org/citydata/part1/v1/Geo_Position_unit
:Geo_Position_unit rdf:type owl:Class ;
                   rdfs:subClassOf i72:Unit_of_measure ;
                   rdfs:comment "Reference systems to indicate geographic position." .


###  https://w3id.org/citydata/part1/v1/Length
:Length rdf:type owl:Class ;
        rdfs:subClassOf i72:Quantity ,
                        [ rdf:type owl:Restriction ;
                          owl:onProperty i72:value ;
                          owl:allValuesFrom [ rdf:type owl:Class ;
                            owl:intersectionOf ( i72:Measure
                              [ rdf:type owl:Restriction ;
                                owl:onProperty i72:unit_of_measure ;
                                owl:allValuesFrom :LengthUnit
                              ]
                            )
                          ]
                        ] ;
        rdfs:label "length" ;
        skos:definition "Length is the amount of space between two geographical points along a curve. It is a base quantity in the International System of Units and other systems of units. Length is speed times time. The metre, a base unit of length in the International System of Units, is defined in terms of speed of light during a certain time interval." .


###  https://w3id.org/citydata/part1/v1/LengthUnit
:LengthUnit rdf:type owl:Class ;
            rdfs:subClassOf i72:Unit_of_measure ;
            rdfs:label "length unit" ;
            skos:definition "A specified system of units for distance." .


###  https://w3id.org/citydata/part1/v1/Mass
:Mass rdf:type owl:Class ;
      rdfs:subClassOf i72:Quantity ,
                      [ rdf:type owl:Restriction ;
                        owl:onProperty i72:value ;
                        owl:allValuesFrom [ rdf:type owl:Class ;
                          owl:intersectionOf ( [ rdf:type owl:Restriction ;
                              owl:onProperty i72:unit_of_measure ;
                              owl:allValuesFrom :MassUnit
                            ]
                          )
                        ]
                      ] ;
      rdfs:comment "Mass is the amount of matter of a phenomenon. It is a base quantity in the International System of Units. Mass is force divided by acceleration." ;
      rdfs:label "mass" .


###  https://w3id.org/citydata/part1/v1/MassUnit
:MassUnit rdf:type owl:Class ;
          rdfs:subClassOf i72:Unit_of_measure ;
          rdfs:label "mass unit" .


###  https://w3id.org/citydata/part1/v1/MonetaryValue
:MonetaryValue rdf:type owl:Class ;
               rdfs:subClassOf i72:Measure ,
                               [ rdf:type owl:Restriction ;
                                 owl:onProperty i72:unit_of_measure ;
                                 owl:allValuesFrom i72:Monetary_unit
                               ] ,
                               [ rdf:type owl:Restriction ;
                                 owl:onProperty :hasRelativeYear ;
                                 owl:qualifiedCardinality "1"^^xsd:nonNegativeInteger ;
                                 owl:onDataRange xsd:gYear
                               ] ;
               skos:definition "A Monetary Value has a numerical value that is relative to a particular date (year). A Monetary Value is measured with some currency." .


###  https://w3id.org/citydata/part1/v1/Ratio
:Ratio rdf:type owl:Class ;
       rdfs:subClassOf i72:Quantity ;
       rdfs:label "ratio" ;
       skos:definition "A ratio is a comparison of two quantities, often expressed as a fraction or in the form a:b." .


###  https://w3id.org/citydata/part1/v1/Speed
:Speed rdf:type owl:Class ;
       rdfs:subClassOf i72:Quantity ,
                       [ rdf:type owl:Restriction ;
                         owl:onProperty i72:value ;
                         owl:allValuesFrom [ rdf:type owl:Class ;
                           owl:intersectionOf ( [ rdf:type owl:Restriction ;
                               owl:onProperty i72:unit_of_measure ;
                               owl:allValuesFrom :SpeedUnit
                             ]
                           )
                         ]
                       ] ;
       rdfs:label "speed" ;
       skos:definition "Speed is the time rate of motion measured by the distance moved over in unit time." .


###  https://w3id.org/citydata/part1/v1/SpeedUnit
:SpeedUnit rdf:type owl:Class ;
           rdfs:subClassOf i72:Unit_of_measure ;
           rdfs:label "speed unit" ;
           skos:definition "A specified system of units for speed." .


###  https://w3id.org/citydata/part1/v1/TimeUnit
:TimeUnit rdf:type owl:Class ;
          rdfs:subClassOf i72:Unit_of_measure ;
          rdfs:label "time unit" ;
          skos:definition "A specified system of units for time." .


###  https://w3id.org/citydata/part1/v1/ValueOfMoney
:ValueOfMoney rdf:type owl:Class ;
              rdfs:subClassOf :AmountOfMoney ,
                              [ rdf:type owl:Restriction ;
                                owl:onProperty i72:value ;
                                owl:allValuesFrom :MonetaryValue
                              ] ;
              skos:definition "An amount of money that is defined relative to a particular year." .


###  https://w3id.org/citydata/part1/v1/Volume
:Volume rdf:type owl:Class ;
        rdfs:subClassOf i72:Quantity ,
                        [ rdf:type owl:Restriction ;
                          owl:onProperty i72:value ;
                          owl:allValuesFrom [ rdf:type owl:Class ;
                            owl:intersectionOf ( [ rdf:type owl:Restriction ;
                                owl:onProperty i72:unit_of_measure ;
                                owl:allValuesFrom :VolumeUnit
                              ]
                            )
                          ]
                        ] ;
        rdfs:label "volume" ;
        skos:definition "Volume is a measure of how much three-dimensional space any phenomenon occupies. " .


###  https://w3id.org/citydata/part1/v1/VolumeUnit
:VolumeUnit rdf:type owl:Class ;
            rdfs:subClassOf i72:Unit_of_measure ;
            rdfs:label "volume unit" ;
            skos:definition "A specified system of units for volume." .