# TerraFabric Ontology — generated by terrafabric-server
# version 1.0.0

@prefix tf: <https://terrafabric.world/ont#> .
@prefix tfr: <https://terrafabric.world/id/> .
@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 xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix sosa: <http://www.w3.org/ns/sosa/> .
@prefix ssn: <http://www.w3.org/ns/ssn/> .
@prefix geo: <http://www.opengis.net/ont/geosparql#> .
@prefix schema: <https://schema.org/> .
@prefix odrl: <http://www.w3.org/ns/odrl/2/> .

<https://terrafabric.world/id/collection/digitraffic-marine-ais> a tf:RawDataCollection ;
    dct:identifier "digitraffic-marine-ais" ;
    dct:title "Digitraffic Marine AIS Vessel Positions" ;
    dct:description "Live AIS vessel positions received by the Finnish coastal AIS network, covering Finnish waters and the nearby Baltic Sea, with vessel names and call signs. Served as the latest report per vessel with its position accuracy flag." ;
    tf:providedBy <https://terrafabric.world/id/provider/fintraffic> ;
    tf:dataTier tf:tier-raw ;
    tf:processingLevel tf:level-L1 ;
    tf:accessClass "free" ;
    tf:hasModality tf:modality-ais ;
    tf:dataCategory tf:category-tracks ;
    tf:hasPlatform <https://terrafabric.world/id/platform/coastal-ais-base-station-network> ;
    tf:hasInstrument <https://terrafabric.world/id/instrument/ais-receiver> ;
    tf:revisitHours "0.001"^^xsd:decimal ;
    tf:latencyHours "0.001"^^xsd:decimal ;
    tf:allWeather true ;
    tf:nightCapable true ;
    tf:taskable false ;
    tf:license <https://terrafabric.world/id/license/cc-by-4.0> ;
    tf:releasability tf:marking-public ;
    dcat:keyword "AIS" ;
    dcat:keyword "vessel tracking" ;
    dcat:keyword "maritime" ;
    dcat:keyword "Baltic Sea" ;
    dcat:keyword "maritime domain awareness" ;
    tf:spatialExtent <https://terrafabric.world/id/collection/digitraffic-marine-ais/extent/spatial> ;
    tf:temporalExtent <https://terrafabric.world/id/collection/digitraffic-marine-ais/extent/temporal> ;
    tf:format <https://terrafabric.world/id/format/geojson> ;
    tf:format <https://terrafabric.world/id/format/json> ;
    tf:accessibleVia <https://terrafabric.world/id/collection/digitraffic-marine-ais/access/0> ;
    tf:accessibleVia <https://terrafabric.world/id/collection/digitraffic-marine-ais/access/1> .

<https://terrafabric.world/id/collection/digitraffic-marine-ais/extent/spatial> a tf:SpatialExtent ;
    tf:bbox "16,57,32,67" ;
    tf:asWKT "POLYGON((16 57,32 57,32 67,16 67,16 57))"^^geo:wktLiteral .

<https://terrafabric.world/id/collection/digitraffic-marine-ais/extent/temporal> a tf:TemporalExtent ;
    tf:startDate "2017-01-01"^^xsd:date .

<https://terrafabric.world/id/collection/digitraffic-marine-ais/access/0> a tf:AccessMethod ;
    tf:accessKind "https" ;
    tf:endpointURL "https://meri.digitraffic.fi/api/ais/v1/locations"^^xsd:anyURI .

<https://terrafabric.world/id/collection/digitraffic-marine-ais/access/1> a tf:AccessMethod ;
    tf:accessKind "https" ;
    tf:endpointURL "https://www.digitraffic.fi/en/marine-traffic/"^^xsd:anyURI .