@prefix gacs: . @prefix skos: . @prefix rdfs: . @prefix owl: . @prefix rdf: . gacs:C14057 skos:definition gacs:def_bb6c79b3 . rdfs:label "Concept definition"@en ; a owl:Class . gacs:def_bb6c79b3 rdf:value "The branch of soil science that is concerned with the form and arrangement of soil features."@en ; a .