The Extensible Observation Ontology Biological Collections Ontology Source
http://ecoinformatics.org/oboe/oboe.1.2/oboe-core.owl#Protocol http://purl.obolibrary.org/obo/OBI_0000272 LOOM
http://ecoinformatics.org/oboe/oboe.1.2/oboe-core.owl#Entity http://purl.obolibrary.org/obo/BFO_0000001 LOOM