"Source"@en . . "application/rdf+xml" . "subPropertyOf" . . . . "A topic of interest, linking to the appropriate URI, e.g. in the Open Directory Project or of a SKOS category."@en . _:N2fc9539330c34e4eaca4b1ac7bf826a4 . "RDF/XML description of topic" . "isDefinedBy" . "NTriples description of topic" . "label" . "Description of topic" . . . "application/xhtml+xml" . "Subject"@en . . . "HTML description of topic" . . . "Notation3 description of topic" . . . "Turtle description of topic" . . . "ObjectProperty" . _:N2fc9539330c34e4eaca4b1ac7bf826a4 . "comment" . . . "text/plain" . . "topic"@en . "type" . . "text/turtle" . . . "SIOC Core Ontology Namespace"@en . "text/n3" . "text/html" . .