@prefix rdf: . @prefix opltw: . opltw:hasCard rdf:type rdf:Property . @prefix owl: . opltw:hasCard rdf:type owl:DatatypeProperty . @prefix rdfs: . opltw:hasCard rdfs:comment "Link to a Twitter card summarizing the current resource"@en . @prefix xsd: . opltw:hasCard rdfs:domain xsd:anyURI ; rdfs:isDefinedBy opltw: ; rdfs:label "hasCard" ; rdfs:range opltw:Card . @prefix pwdr: . @prefix ns6: . opltw:hasCard pwdr:describedby ns6:twitter . @prefix skos: . opltw:hasCard skos:altLabel "twitter card" .