"comment" . . . _:N42088d14ca614645a24b254568021fed . . "application/xhtml+xml" . . "text/turtle" . "NTriples description of topic" . "application/rdf+xml" . "HTML description of topic" . "ObjectProperty" . "text/plain" . "RDF/XML description of topic" . "type" . . "isDefinedBy" . . "Notation3 description of topic" . "A topic of interest, linking to the appropriate URI, e.g. in the Open Directory Project or of a SKOS category."@en . "text/html" . "subPropertyOf" . . . . . _:N42088d14ca614645a24b254568021fed . . . "Source"@en . . . . . . "Subject"@en . "label" . "text/n3" . "Turtle description of topic" . . "Description of topic" . . "topic"@en . . "SIOC Core Ontology Namespace"@en . .