Sweet Potato Ontology FOODIE core ontology Source
http://www.cropontology.org/rdf/Time http://def.seegrid.csiro.au/isotc211/iso19103/2005/basic#Time LOOM
http://www.cropontology.org/rdf/Scale http://def.seegrid.csiro.au/isotc211/iso19103/2005/basic#Scale LOOM
http://www.w3.org/2004/02/skos/core#Concept http://www.w3.org/2004/02/skos/core#Concept SAME_URI