Sweet Potato Ontology XEML Environment Ontology Source
http://www.cropontology.org/rdf/CO_331:0000566 http://purl.obolibrary.org/obo/XEO_00237 LOOM
http://www.cropontology.org/rdf/Text http://purl.obolibrary.org/obo/XEO_00238 LOOM