Systems Biology Ontology	Relations Ontology	Source
http://purl.obolibrary.org/obo/BFO_0000040	http://biomodels.net/SBO/SBO_0000240	LOOM
http://purl.obolibrary.org/obo/BFO_0000015	http://biomodels.net/SBO/SBO_0000375	LOOM
http://purl.obolibrary.org/obo/UPHENO_0001001	http://biomodels.net/SBO/SBO_0000358	LOOM