Mass Spectrometry Ontology	The Ecosystem Ontology	Source
http://purl.dataone.org/odo/ECSO_00001253	http://purl.obolibrary.org/obo/PEFF_0001006	LOOM
http://purl.dataone.org/odo/ECSO_00002943	http://purl.obolibrary.org/obo/MS_1000843	LOOM
http://purl.dataone.org/odo/ECSO_00000316	http://purl.obolibrary.org/obo/MS_1002975	LOOM
http://ecoinformatics.org/oboe/oboe.1.2/oboe-characteristics.owl#Length	http://purl.obolibrary.org/obo/PEFF_0001006	LOOM