@prefix rdf: . @prefix xsd: . @prefix dcterms: . @prefix skos: . @prefix rdfs: . @prefix api: . @prefix foaf: . skos:broader . skos:broader . skos:related . skos:broader . a skos:Concept , rdfs:Resource ; dcterms:contributor ; dcterms:modified "2018-09-13T15:23:37Z"^^xsd:dateTime ; skos:altLabel "Compact stars"@en ; skos:broader ; skos:narrower , , ; skos:prefLabel "Compact objects"@en ; skos:related . skos:narrower . a api:ItemEndpoint , api:Page ; api:definition ; api:extendedMetadataVersion ; foaf:primaryTopic .