@prefix rdf: . @prefix owl: . @prefix rdfs: . owl:FunctionalProperty rdf:type rdfs:Class ; rdfs:subClassOf rdf:Property ; rdfs:comment "The class of functional properties." ; rdfs:isDefinedBy owl: ; rdfs:label "FunctionalProperty" . @prefix pwdr: . @prefix ns4: . owl:FunctionalProperty pwdr:describedby ns4:owl .