CIDOC Conceptual Reference Model	SPAR DataCite Ontology	Source
http://www.cidoc-crm.org/cidoc-crm/E42_Identifier	http://purl.org/spar/datacite/Identifier	LOOM
http://www.cidoc-crm.org/cidoc-crm/E70_Thing	http://www.w3.org/2002/07/owl#Thing	LOOM