Systems Biology Ontology	CIDOC Conceptual Reference Model	Source
http://www.cidoc-crm.org/cidoc-crm/E12_Production	http://biomodels.net/SBO/SBO_0000393	LOOM
http://www.cidoc-crm.org/cidoc-crm/E4_Period	http://biomodels.net/SBO/SBO_0000476	LOOM