@prefix rdf: . @prefix skos: . @prefix uneskos: . rdf:type skos:Concept ; skos:prefLabel "Compulsory education"@en , "Scolarité obligatoire"@fr , "Escolaridad obligatoria"@es , "Обязательное образование"@ru ; skos:inScheme ; skos:broader ; skos:related , , ; uneskos:memberOf .