Ontology of Genes and Genomes Semantic Types Ontology Source
http://purl.obolibrary.org/obo/BFO_0000001 http://purl.bioontology.org/ontology/STY/T071 LOOM
http://purl.obolibrary.org/obo/OBI_0100026 http://purl.bioontology.org/ontology/STY/T001 LOOM