The Extensible Observation Ontology Process and Observation Ontology Source
http://ecoinformatics.org/oboe/oboe.1.2/oboe-core.owl#Entity http://purl.obolibrary.org/obo/BFO_0000001 LOOM
http://ecoinformatics.org/oboe/oboe.1.2/oboe-core.owl#Unit http://qudt.org/schema/qudt/Unit LOOM
http://ecoinformatics.org/oboe/oboe.1.2/oboe-core.owl#Observation http://www.w3.org/ns/sosa/Observation LOOM