Biomedical Informatics Research Network Project Lexicon	Provenance Ontology	Source
http://bioontology.org/projects/ontologies/birnlex#Entity	http://www.w3.org/ns/prov#Entity	LOOM
http://bioontology.org/projects/ontologies/birnlex#Role	http://www.w3.org/ns/prov#Role	LOOM