@prefix skos: . @prefix isothes: . @prefix inist: . skos:prefLabel "Rock"@en, "Roche"@fr ; a isothes:ConceptGroup, skos:Collection ; skos:member . a skos:ConceptScheme . inist:semCategory "Roche"@fr, "Rock"@en ; a skos:Concept ; skos:broader ; skos:hiddenLabel "Fulgurite"@fr, "Fulgurite"@en ; skos:prefLabel "fulgurita"@es, "fulgurite"@fr, "fulgurite"@en ; skos:inScheme . skos:prefLabel "roche métamorphique"@fr, "roca metamórfica"@es, "metamorphic rock"@en ; a skos:Concept ; skos:narrower .