Schema.org core and all extension vocabularies	DC Terms	Source
http://www.w3.org/2000/01/rdf-schema#Class	http://www.w3.org/2000/01/rdf-schema#Class	SAME_URI
http://schema.org/Collection	http://purl.org/dc/dcmitype/Collection	LOOM
http://schema.org/Class	http://www.w3.org/2000/01/rdf-schema#Class	LOOM