@prefix rdfs: . rdfs:label rdfs:label "label" . @prefix skos: . skos:prefLabel rdfs:label "preferred label"@en ; rdfs:subPropertyOf rdfs:label . skos:altLabel rdfs:label "alternative label"@en ; rdfs:subPropertyOf rdfs:label . skos:broadMatch rdfs:label "has broad match" . skos:hiddenLabel rdfs:label "hidden label"@en ; rdfs:subPropertyOf rdfs:label . skos:narrowMatch rdfs:label "has narrow match" .