Natural Products Ontology	Software Ontology	Source
http://purl.obolibrary.org/obo/NCBITaxon_2	http://www.owl-ontologies.com/NPOntology.owl#Bacteria	LOOM
http://purl.obolibrary.org/obo/BFO_0000023	http://purl.org/biotop/biotop.owl#Role	LOOM