@prefix envthes: . @prefix skos: . @prefix owl: . @prefix dc: . @prefix xsd: . envthes: skos:prefLabel "EnvThes"@en ; a owl:Ontology, skos:ConceptScheme . envthes:22138 skos:inScheme envthes: ; a skos:Concept ; skos:altLabel "content of insoluble organic carbon"@en ; skos:broader envthes:20935 ; dc:modified "2018-06-18"^^xsd:date ; dc:created "2016-03-31"^^xsd:date ; skos:prefLabel "insoluble organic carbon content"@en ; dc:creator "herbert.schentz@umweltbundesamt.at"@en . envthes:20935 skos:prefLabel "variable"@en ; a skos:Concept ; skos:narrower envthes:22138 .