@prefix rdfs: . @prefix rdf: . rdf:type rdfs:label "type" . rdfs:label rdfs:label "label" . rdfs:comment rdfs:label "comment" . @prefix owl: . owl:ObjectProperty rdfs:label "ObjectProperty" . @prefix mdr: . mdr:hasURI rdf:type owl:ObjectProperty ; rdfs:label "has URI" ; rdfs:comment "The RDF URI representing the object class or property." .