@prefix rdfs: . @prefix owl: . @prefix gacs: . @prefix rdf: . @prefix dc: . @prefix skos: . rdfs:label "Concept definition"@en ; a owl:Class . gacs:def_4c0c8c3f rdf:value "The selection of a suitable sample for study"@en ; dc:source , ; a . gacs:C1506 skos:definition gacs:def_4c0c8c3f .