@prefix rdf: . @prefix xsd: . @prefix dcterms: . @prefix skos: . @prefix rdfs: . @prefix api: . @prefix foaf: . skos:broader . skos:broader . skos:broader . skos:broader . skos:broader . skos:broader . skos:broader . skos:broader . skos:broader . skos:broader . skos:broader . skos:broader . a rdfs:Resource , skos:Concept ; dcterms:contributor ; dcterms:modified "2018-09-20T14:58:14Z"^^xsd:dateTime ; skos:altLabel "ISM"@en , "Interstellar material"@en , "Interstellar matter"@en , "Interstellar media"@en ; skos:narrower , , , , , , , , , , , , , , , , , , , , , ; skos:prefLabel "Interstellar medium"@en ; skos:topConceptOf . skos:broader . skos:broader . skos:broader . skos:broader . skos:broader . skos:broader . skos:broader . skos:broader . skos:broader . rdfs:label "The Unified Astronomy Thesaurus"@en ; skos:hasTopConcept . skos:broader . a api:ItemEndpoint , api:Page ; api:definition ; api:extendedMetadataVersion ; foaf:primaryTopic .