PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The color of the yolk is due to a group of chemicals called carotenoids found in grass, and other plants.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.org