@prefix dc: . @prefix xsd: . @prefix skos: . dc:modified "2016-06-21"^^xsd:date ; skos:topConceptOf , ; skos:altLabel "ravin d'érosion"@fr ; skos:prefLabel "ravine"@fr, "gully"@en ; skos:inScheme , ; a skos:Concept . skos:prefLabel "notions géographiques milieu naturel (microthesaurus)"@fr ; a skos:ConceptScheme ; skos:hasTopConcept . skos:prefLabel "Thesaurus Irstea (thesor)"@fr ; a skos:ConceptScheme ; skos:hasTopConcept .