@prefix skos: . @prefix inist: . a skos:ConceptScheme . inist:semCategory "Matériau / Matière / Etat de la matière / Milieu"@fr, "Material / Matter / State of matter / Medium"@en ; skos:hiddenLabel "Frontière mobile"@fr, "Moving boundary"@en ; a skos:Concept ; skos:inScheme ; skos:prefLabel "frontière mobile"@fr, "moving boundary"@en . skos:prefLabel "Matériau / Matière / Etat de la matière / Milieu"@fr, "Material / Matter / State of matter / Medium"@en ; a skos:Collection ; skos:member .