@prefix envthes: . @prefix skos: . @prefix owl: . @prefix dc: . @prefix xsd: . envthes: skos:prefLabel "EnvThes"@en ; a owl:Ontology, skos:ConceptScheme . envthes:20935 skos:prefLabel "variable"@en ; a skos:Concept ; skos:narrower envthes:21165 . envthes:21165 skos:inScheme envthes: ; a skos:Concept ; skos:altLabel "NDVI"@en, "normalized vegetation index"@en ; skos:broader envthes:20935 ; dc:modified "2018-11-30"^^xsd:date ; dc:created "2013-07-12"^^xsd:date ; skos:prefLabel "normalized difference vegetation index"@en ; dc:creator "herbert.schentz@umweltbundesamt.at"@en .