BASE   <https://w3id.org/itsdata/core/v1/>
PREFIX : <https://w3id.org/itsdata/core/v1/>
PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
PREFIX vann: <http://purl.org/vocab/vann/>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX cdm2: <https://w3id.org/citydata/part2/v1/>
PREFIX i72: <https://w3id.org/itsdata/i72/v1/>
PREFIX its-core: <https://w3id.org/itsdata/core/v1/>
its-core: a owl:Ontology;
    # Ontology metadata
    dcterms:title                  "ITS Core Ontology"@en;
    skos:definition                "This ontology defines core concepts related to intelligent transport systems (ITS)."@en;
    vann:preferredNamespaceUri     "https://w3id.org/itsdata/core/";
    vann:preferredNamespacePrefix  "its-core";
    dcterms:license                "http://creativecommons.org/licenses/by/4.0/";
    its-core:draft                 "true";
    
    #Provenance metadata
    dcterms:creator                "Kenneth Vaughn";
    dcterms:created                "Draft";
    dcterms:modified               "2026-04-07"^^xsd:date;
    owl:versionInfo                "0.0.3";
    owl:versionIRI                 its-core:r0.3;
    owl:priorVersion               its-core:r0.2;
    
    # Imports
    owl:imports                    cdm2:CityPattern .
    # which includes the following cascade of imports:
    #     LandUsePattern
    #         CodePattern
    #             Core(cdm2)
    #             OrganizationStructurePattern
    #                 AgentPattern
    #                    GenericPropertiesPattern
    #                    ResourcePattern
    #                        ActivityPattern
    #                            ChangePattern
    #                            SpatialLocPattern
    #                                MereologyPattern
    #                        CityUnitsPattern
    #                             ISO21972
    #                             Core (cdm1)
    #                                 Time (W3C)


its-core:reqviewId a owl:AnnotationProperty;
    rdfs:label "reqviewId" ;
    rdfs:comment "An annotation property to link a requirement to its corresponding ReqView ID." .

# Object properties
its-core:ITSObjectProperty a owl:ObjectProperty;
    skos:definition  "An object property to organize all object properties defined in all recognized ITS Ontologies." .

its-core:fromCodeList
    a owl:ObjectProperty ;
    rdfs:subPropertyOf  its-core:ITSObjectProperty;
    rdfs:domain its-core:Code ;
    rdfs:range its-core:CodeList ;
    skos:definition "Associates a code with the code list that defines it."@en .

its-core:hasActivationStatus a owl:ObjectProperty;
    skos:definition     "The activation status of the object.";
    rdfs:subPropertyOf  its-core:ITSObjectProperty;
    rdfs:range          its-core:ActivationStatusCode .

its-core:hasJurisdiction a owl:ObjectProperty;
    rdfs:subPropertyOf  its-core:ITSObjectProperty;
    skos:definition     "The jurisdiction associated with the object.";
    rdfs:range          cdm2:JurisdictionalArea .

its-core:hasRegisteredCode
    a owl:ObjectProperty ;
    rdfs:subPropertyOf  its-core:ITSObjectProperty;
    rdfs:domain its-core:CodeList ;
    rdfs:range its-core:Code ;
    skos:definition "Associates a code list with a registered member code."@en .

its-core:managedBy
    a owl:ObjectProperty ;
    rdfs:subPropertyOf  its-core:ITSObjectProperty;
    rdfs:domain its-core:CodeList ;
    rdfs:range cdm2:Organization ;
    skos:definition "Associates a code list with a registered member code."@en .

# Datatype properties
its-core:ITSDataProperty a owl:DataProperty;
    skos:definition  "A datatype property to organize all datatype properties defined in all recognized ITS Ontologies." .

its-core:hasImage a owl:DataProperty;
    skos:definition     "The binary content of an image embedded as base64-encoded bytes.";
    rdfs:subPropertyOf  its-core:ITSDataProperty;
    rdfs:range          xsd:base64Binary .

its-core:hasUrl a owl:DataProperty;
    skos:definition     "The URL associated with the object.";
    rdfs:subPropertyOf  its-core:ITSDataProperty;
    rdfs:range          xsd:anyURI .

its-core:hasVersion a owl:DataProperty;
    rdfs:subPropertyOf  its-core:ITSDataProperty;
    skos:definition     "The version of the object." .

its-core:codeValue
    a owl:DatatypeProperty ;
    rdfs:subPropertyOf  its-core:ITSDataProperty;
    rdfs:domain its-core:Code ;
    rdfs:range xsd:string ;
    skos:definition "The lexical value of a code."@en .

its-core:hasMaintainer
    a owl:DatatypeProperty ;
    rdfs:subPropertyOf  its-core:ITSDataProperty;
    rdfs:domain its-core:CodeList ;
    rdfs:range xsd:string ;
    skos:definition "The maintainer of the code list (free-text identifier; can be replaced with a richer organization model later)."@en .

its-core:hasName
    a owl:DatatypeProperty ;
    rdfs:subPropertyOf  its-core:ITSDataProperty;
    rdfs:domain its-core:CodeList ;
    rdfs:range rdf:langString ;
    skos:definition "A human-readable name for the code list."@en .

its-core:hasVersion
    a owl:DatatypeProperty ;
    rdfs:subPropertyOf  its-core:ITSDataProperty;
    rdfs:domain its-core:CodeList ;
    rdfs:range xsd:string ;
    skos:definition "Version identifier for the code list."@en .

its-core:lastModified
    a owl:DatatypeProperty ;
    rdfs:subPropertyOf  its-core:ITSDataProperty;
    rdfs:domain its-core:CodeList ;
    rdfs:range xsd:date ;
    skos:definition "Date the code list was last modified."@en .

# Classes
its-core:ITSThing a owl:Class;
    skos:definition  "A class to organize all classes defined in all recognized ITS Ontologies." .

its-core:ActivationStatusCode a owl:Class;
    skos:definition  "A code indicating the activation status of an object";
    skos:example     "active, beingSetUp, beingShutDown, inactive, scheduled";
    rdfs:subClassOf  its-core:ITSThing;
    rdfs:subClassOf  its-core:Code .

its-core:Code
    a owl:Class ;
    skos:definition "A code value whose meaning is defined by membership in (or reference to) a code list."@en ;
    rdfs:subClassOf  its-core:ITSThing;
    rdfs:subClassOf  cdm2:Code .

its-core:CodeList
    a owl:Class ;
    skos:definition "A curated set of codes (a code list), typically maintained and versioned by some entity."@en ;
    rdfs:subClassOf  its-core:ITSThing.

its-core:Angle
    rdf:type        owl:Class ;
    rdfs:subClassOf its-core:ITSThing ;
    rdfs:subClassOf i72:Quantity ;
    rdfs:subClassOf [
        owl:allValuesFrom [
            owl:intersectionOf ( i72:Measure [
                owl:allValuesFrom :AngleUnit ;
                owl:onProperty    i72:unit_of_measure ;
                rdf:type          owl:Restriction ;
            ] ) ;
            rdf:type           owl:Class ;
        ] ;
        owl:onProperty    i72:value ;
        rdf:type          owl:Restriction ;
    ] ;
    skos:definition "An angle defined by two lines."@en .

its-core:AngleUnit
    rdf:type        owl:Class ;
    rdfs:subClassOf its-core:ITSThing ;
    rdfs:subClassOf i72:Unit_of_measure ;
    skos:definition "A specified system of units for angles."@en .

its-core:Direction
    rdf:type        owl:Class ;
    rdfs:subClassOf its-core:ITSThing ;
    skos:definition "The orientation of a line or movement."@en .

its-core:Bearing
    rdf:type        owl:Class ;
    rdfs:subClassOf its-core:Direction ;
    rdfs:subClassOf its-core:Angle ;
    skos:definition "The orientation of a line or movement, measured from north (0°) clockwise."@en ;
    skos:example    "0°, 90°, 180°, 270°, 360°"@en .

its-core:DirectionCode
    rdf:type        owl:Class ;
    rdfs:subClassOf its-core:Direction ;
    rdfs:subClassOf its-core:Code ;
    skos:definition "A code representing orientation of a line or movement."@en ;
    skos:example     "north, inbound, positive, clockwise"@en .