PREFIX dcterms: <http://purl.org/dc/terms/>
PREFIX foaf:    <http://xmlns.com/foaf/0.1/>
PREFIX owl:     <http://www.w3.org/2002/07/owl#>
PREFIX prov:    <http://www.w3.org/ns/prov#>
PREFIX qudt:    <http://qudt.org/schema/qudt/>
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 xsd:     <http://www.w3.org/2001/XMLSchema#>

<../value/van_2#it>  skos:notation  "VAN_2";
        skos:prefLabel  "East Cardinal"@en .

<../value/mso_7#it>  skos:notation  "MSO_7";
        skos:prefLabel  "Temporary"@en .

<../value/van_3#it>  skos:notation  "VAN_3";
        skos:prefLabel  "South Cardinal"@en .

<>      dcterms:license        <https://creativecommons.org/licenses/by/4.0/>;
        dcterms:references     <https://portal.dgiwg.org/files/68063>;
        dcterms:rights         "(C) Copyright DGIWG. Licensed under the terms in CC BY 4.0 (stated in DGIWG 206-3).";
        dcterms:rightsHolder   [ foaf:homepage  <https://dgiwg.org/>;
                                 foaf:name      "Defence Geospatial Information Working Group (DGIWG)"
                               ];
        prov:generatedAtTime   "2026-11-14T15:50:07Z"^^xsd:dateTime;
        prov:hadPrimarySource  <https://portal.dgiwg.org/files/?artifact_id=76200>;
        prov:wasAttributedTo   <../index#dgifwrap>;
        prov:wasGeneratedBy    <../index#conversion>;
        foaf:primaryTopic      <#it>;
        <../vocab#baseline>    "2026-1" .

<../value/van_4#it>  skos:notation  "VAN_4";
        skos:prefLabel  "West Cardinal"@en .

<../value/van_5#it>  skos:notation  "VAN_5";
        skos:prefLabel  "Port Latera lIALA A"@en .

<../value/van_6#it>  skos:notation  "VAN_6";
        skos:prefLabel  "Starboard Lateral IALA A"@en .

<../attribute/nsc#values>
        skos:prefLabel  "Hydrographic NAVAID System: values"@en .

<../value/van_7#it>  skos:notation  "VAN_7";
        skos:prefLabel  "Port Latera lIALA B"@en .

<../attribute/van#it>
        skos:notation   "VAN";
        skos:prefLabel  "Virtual Automated Identification System Aid To Navigation Type"@en .

<../attribute/rng#it>
        skos:notation   "RNG";
        skos:prefLabel  "Range of Signal"@en .

<../value/van_8#it>  skos:notation  "VAN_8";
        skos:prefLabel  "Starboard Lateral IALA B"@en .

<zi028#it>  skos:notation  "ZI028";
        skos:prefLabel  "Feature Entity"@en .

<../value/van_9#it>  skos:notation  "VAN_9";
        skos:prefLabel  "Isolated Danger"@en .

<../attribute/mms#it>
        skos:notation   "MMS";
        skos:prefLabel  "Maritime Mobile Service Identity Code"@en .

<../attribute/nsc#it>
        skos:notation   "NSC";
        skos:prefLabel  "Hydrographic NAVAID System"@en .

<../value/nsc_2#it>  skos:notation  "NSC_2";
        skos:prefLabel  "IALA Region A"@en .

<../attribute/van#values>
        skos:prefLabel  "Virtual Automated Identification System Aid To Navigation Type: values"@en .

<../value/nsc_3#it>  skos:notation  "NSC_3";
        skos:prefLabel  "IALA Region B"@en .

<../value/van_10#it>  skos:notation  "VAN_10";
        skos:prefLabel  "Safe Water"@en .

<../attribute/mso#values>
        skos:prefLabel  "Maritime Service Operational Status: values"@en .

<../value/van_11#it>  skos:notation  "VAN_11";
        skos:prefLabel  "Special Purpose"@en .

<../value/van_12#it>  skos:notation  "VAN_12";
        skos:prefLabel  "Emergency Wreck Marking"@en .

<../value/nsc_6#it>  skos:notation  "NSC_6";
        skos:prefLabel  "SIGNI"@en .

<../value/nsc_7#it>  skos:notation  "NSC_7";
        skos:prefLabel  "US Intracoastal Waterway"@en .

<../value/nsc_8#it>  skos:notation  "NSC_8";
        skos:prefLabel  "US Uniform State"@en .

<../value/nsc_9#it>  skos:notation  "NSC_9";
        skos:prefLabel  "US Western Rivers"@en .

<../value/nsc_10#it>  skos:notation  "NSC_10";
        skos:prefLabel  "No System"@en .

<../value/mso_1#it>  skos:notation  "MSO_1";
        skos:prefLabel  "Permanent"@en .

<../attribute/mso#it>
        skos:notation   "MSO";
        skos:prefLabel  "Maritime Service Operational Status"@en .

<../value/mso_5#it>  skos:notation  "MSO_5";
        skos:prefLabel  "Periodic Intermittent"@en .

<../value/van_1#it>  skos:notation  "VAN_1";
        skos:prefLabel  "North Cardinal"@en .

<#it>   rdf:type              <../vocab#FeatureType> , rdfs:Class;
        rdfs:subClassOf       <zi028#it>;
        rdfs:subClassOf       [ rdf:type            owl:Restriction;
                                owl:maxCardinality  "1"^^xsd:nonNegativeInteger;
                                owl:onProperty      <../attribute/mso#it>
                              ];
        rdfs:subClassOf       [ rdf:type            owl:Restriction;
                                owl:maxCardinality  "1"^^xsd:nonNegativeInteger;
                                owl:onProperty      <../attribute/van#it>
                              ];
        rdfs:subClassOf       [ rdf:type           owl:Restriction;
                                owl:allValuesFrom  [ rdf:type         rdfs:Class;
                                                     rdfs:subClassOf  <../attribute/mso#values>;
                                                     owl:oneOf        ( <../value/mso_1#it> <../value/mso_5#it> <../value/mso_7#it> )
                                                   ];
                                owl:onProperty     <../attribute/mso#it>
                              ];
        rdfs:subClassOf       [ rdf:type           owl:Restriction;
                                owl:allValuesFrom  [ rdf:type         rdfs:Class;
                                                     rdfs:subClassOf  <../attribute/nsc#values>;
                                                     owl:oneOf        ( <../value/nsc_10#it> <../value/nsc_2#it> <../value/nsc_3#it> <../value/nsc_6#it> <../value/nsc_7#it> <../value/nsc_8#it> <../value/nsc_9#it> )
                                                   ];
                                owl:onProperty     <../attribute/nsc#it>
                              ];
        rdfs:subClassOf       [ rdf:type            owl:Restriction;
                                owl:maxCardinality  "1"^^xsd:nonNegativeInteger;
                                owl:onProperty      <../attribute/mms#it>
                              ];
        rdfs:subClassOf       [ rdf:type           owl:Restriction;
                                owl:allValuesFrom  [ rdf:type         rdfs:Class;
                                                     rdfs:subClassOf  <../attribute/van#values>;
                                                     owl:oneOf        ( <../value/van_1#it> <../value/van_10#it> <../value/van_11#it> <../value/van_12#it> <../value/van_2#it> <../value/van_3#it> <../value/van_4#it> <../value/van_5#it> <../value/van_6#it> <../value/van_7#it> <../value/van_8#it> <../value/van_9#it> )
                                                   ];
                                owl:onProperty     <../attribute/van#it>
                              ];
        rdfs:subClassOf       [ rdf:type            owl:Restriction;
                                owl:maxCardinality  "1"^^xsd:nonNegativeInteger;
                                owl:onProperty      <../attribute/rng#it>
                              ];
        rdfs:subClassOf       [ rdf:type            owl:Restriction;
                                owl:maxCardinality  "1"^^xsd:nonNegativeInteger;
                                owl:onProperty      <../attribute/nsc#it>
                              ];
        dcterms:dateAccepted  "2025-04-23"^^xsd:date;
        skos:definition       "An Automatic Identification System (AIS) message 21 transmitted from an AIS station to simulate on navigation systems an Aid to Navigation which does not physically exist."@en;
        skos:notation         "BC006";
        skos:prefLabel        "Virtual Automatic Identification System"@en;
        skos:scopeNote        "A Virtual Automatic Identification System does not physically exist (at sea). It is a virtual digital object promulgated by an authorized service provider, such as AIS, that can be portrayed on a navigation system."@en;
        <../vocab#conceptSource>  "S-101";
        <../vocab#geometryType>  "surface" , "curve" , "point";
        <../vocab#name>       "VirtualAutomaticIdentSys";
        <../vocab#status>     "valid" .