# 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/nrcan-cdem> a tf:DataProductCollection ;
    dct:identifier "nrcan-cdem" ;
    dct:title "Canadian Digital Elevation Model (CDEM)" ;
    dct:description "National bare-earth elevation of Canada at about 20 m, compiled from provincial, territorial and federal sources. Released under the Open Government Licence – Canada." ;
    tf:providedBy <https://terrafabric.world/id/provider/nrcan> ;
    tf:dataTier tf:tier-product ;
    tf:processingLevel tf:level-L3 ;
    tf:accessClass "free" ;
    tf:hasModality tf:modality-elevation ;
    tf:dataCategory tf:category-imagery ;
    tf:hasPlatform <https://terrafabric.world/id/platform/multiple> ;
    tf:hasInstrument <https://terrafabric.world/id/instrument/multiple-sources> ;
    tf:gsdMeters "20"^^xsd:decimal ;
    tf:allWeather false ;
    tf:nightCapable false ;
    tf:taskable false ;
    tf:license <https://terrafabric.world/id/license/provider-terms> ;
    tf:releasability tf:marking-public ;
    dcat:keyword "DEM" ;
    dcat:keyword "terrain" ;
    dcat:keyword "Canada" ;
    tf:spatialExtent <https://terrafabric.world/id/collection/nrcan-cdem/extent/spatial> ;
    tf:temporalExtent <https://terrafabric.world/id/collection/nrcan-cdem/extent/temporal> ;
    tf:format <https://terrafabric.world/id/format/cog> ;
    tf:accessibleVia <https://terrafabric.world/id/collection/nrcan-cdem/access/0> .

<https://terrafabric.world/id/collection/nrcan-cdem/extent/spatial> a tf:SpatialExtent ;
    tf:bbox "-141,41.7,-52.6,83.1" ;
    tf:asWKT "POLYGON((-141 41.7,-52.6 41.7,-52.6 83.1,-141 83.1,-141 41.7))"^^geo:wktLiteral .

<https://terrafabric.world/id/collection/nrcan-cdem/extent/temporal> a tf:TemporalExtent ;
    tf:startDate "1945-01-01"^^xsd:date ;
    tf:endDate "2011-07-01"^^xsd:date .

<https://terrafabric.world/id/collection/nrcan-cdem/access/0> a tf:AccessMethod ;
    tf:accessKind "stac-api" ;
    tf:endpointURL "https://datacube.services.geo.ca/pgstac/api"^^xsd:anyURI .