# 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/marinecadastre-ais> a tf:PreprocessedCollection ;
    dct:identifier "marinecadastre-ais" ;
    dct:title "MarineCadastre AIS Vessel Traffic (US waters)" ;
    dct:description "Historical vessel positions in US coastal and offshore waters from the US Coast Guard terrestrial AIS network, published by BOEM and NOAA." ;
    tf:providedBy <https://terrafabric.world/id/provider/noaa> ;
    tf:dataTier tf:tier-preprocessed ;
    tf:processingLevel tf:level-L2 ;
    tf:accessClass "free" ;
    tf:hasModality tf:modality-ais ;
    tf:dataCategory tf:category-tracks ;
    tf:hasPlatform <https://terrafabric.world/id/platform/uscg-nationwide-ais> ;
    tf:hasInstrument <https://terrafabric.world/id/instrument/ais-receiver> ;
    tf:revisitHours "24"^^xsd:decimal ;
    tf:latencyHours "720"^^xsd:decimal ;
    tf:allWeather true ;
    tf:nightCapable true ;
    tf:taskable false ;
    tf:license <https://terrafabric.world/id/license/us-public-domain> ;
    tf:releasability tf:marking-public ;
    dcat:keyword "AIS" ;
    dcat:keyword "vessel traffic" ;
    dcat:keyword "maritime" ;
    dcat:keyword "US waters" ;
    tf:spatialExtent <https://terrafabric.world/id/collection/marinecadastre-ais/extent/spatial> ;
    tf:temporalExtent <https://terrafabric.world/id/collection/marinecadastre-ais/extent/temporal> ;
    tf:format <https://terrafabric.world/id/format/csv> ;
    tf:format <https://terrafabric.world/id/format/geoparquet> ;
    tf:accessibleVia <https://terrafabric.world/id/collection/marinecadastre-ais/access/0> ;
    tf:accessibleVia <https://terrafabric.world/id/collection/marinecadastre-ais/access/1> .

<https://terrafabric.world/id/collection/marinecadastre-ais/extent/spatial> a tf:SpatialExtent ;
    tf:bbox "-180,-15,-60,72" ;
    tf:asWKT "POLYGON((-180 -15,-60 -15,-60 72,-180 72,-180 -15))"^^geo:wktLiteral .

<https://terrafabric.world/id/collection/marinecadastre-ais/extent/temporal> a tf:TemporalExtent ;
    tf:startDate "2009-01-01"^^xsd:date .

<https://terrafabric.world/id/collection/marinecadastre-ais/access/0> a tf:AccessMethod ;
    tf:accessKind "https" ;
    tf:endpointURL "https://hub.marinecadastre.gov/pages/vesseltraffic"^^xsd:anyURI .

<https://terrafabric.world/id/collection/marinecadastre-ais/access/1> a tf:AccessMethod ;
    tf:accessKind "https" ;
    tf:endpointURL "https://coast.noaa.gov/htdata/CMSP/AISDataHandler/"^^xsd:anyURI .