PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Iron is a little harder to get from plant sources because it is not absorbed into the body as well as the iron that comes from animal sources.
http://www.w3.org/ns/prov#wasQuotedFrom
  • allkids.org