@prefix rdfs: . @prefix owl: . @prefix gacs: . @prefix rdf: . @prefix dc: . @prefix skos: . rdfs:label "Concept definition"@en ; a owl:Class . gacs:def_f4f6ecf6 rdf:value "Natural or manmade landforms which run perpendicular to the slope and are bordered on one side by a steep ascending slope and on the other side by a steep descending slope."@en ; dc:source ; a . gacs:C22921 skos:definition gacs:def_f4f6ecf6 .