CO_340	PPEO	Source
https://cropontology.org/rdf/Method Loading Method	http://purl.org/ppeo/PPEO.owl#method Loading PPEO.owl#method	LOOM
https://cropontology.org/rdf/Scale Loading Scale	http://purl.org/ppeo/PPEO.owl#scale Loading PPEO.owl#scale	LOOM
https://cropontology.org/rdf/Trait Loading Trait	http://purl.org/ppeo/PPEO.owl#trait Loading PPEO.owl#trait	LOOM