@prefix rdfs: . @prefix owl: . @prefix gacs: . @prefix skos: . @prefix rdf: . @prefix dc: . rdfs:label "Concept definition"@en ; a owl:Class . gacs:C10041 skos:definition gacs:def_38543cd9 . gacs:def_38543cd9 rdf:value "The complex network of linked food chains, trophic levels and feeding relationships among organisms in an ecosystem."@en ; dc:source ; a .