@prefix skos: . @prefix dc: . @prefix xsd: . skos:prefLabel "pollution nuisance (microthesaurus)"@fr ; a skos:ConceptScheme ; skos:hasTopConcept . a skos:Concept ; dc:modified "2016-06-21"^^xsd:date ; skos:inScheme , ; skos:exactMatch , ; skos:prefLabel "pollution"@en, "pollution"@fr ; skos:topConceptOf , . skos:prefLabel "Thesaurus Irstea (thesor)"@fr ; a skos:ConceptScheme ; skos:hasTopConcept .