Sustainable Development Goals Interface Ontology The Extensible Observation Ontology Source
http://purl.obolibrary.org/obo/OBI_0000272 http://ecoinformatics.org/oboe/oboe.1.2/oboe-core.owl#Protocol LOOM
http://purl.obolibrary.org/obo/BFO_0000001 http://ecoinformatics.org/oboe/oboe.1.2/oboe-core.owl#Entity LOOM
http://purl.obolibrary.org/obo/PATO_0000165 http://ecoinformatics.org/oboe/oboe.1.2/oboe-characteristics.owl#Time LOOM