@prefix rdf: . @prefix xsd: . @prefix dcterms: . @prefix skos: . @prefix rdfs: . @prefix api: . @prefix foaf: . skos:narrower . skos:related . skos:related . skos:broader . a rdfs:Resource , skos:Concept ; dcterms:contributor ; dcterms:modified "2018-09-07T19:34:41Z"^^xsd:dateTime ; skos:altLabel "Exomoons"@en ; skos:broader ; skos:narrower ; skos:prefLabel "Natural satellites (Extrasolar)"@en ; skos:related , . a api:ItemEndpoint , api:Page ; api:definition ; api:extendedMetadataVersion ; foaf:primaryTopic .