DCAT3	The RDF Schema vocabulary	Source
http://www.w3.org/2000/01/rdf-schema#Resource	http://www.w3.org/2000/01/rdf-schema#Resource	SAME_URI
http://www.w3.org/2000/01/rdf-schema#Class	http://www.w3.org/2000/01/rdf-schema#Class	SAME_URI