PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Add 16 ounces chopped mushrooms (use a variety, such as white, cremini and shiitake) and 1 large yellow onion, chopped.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wsj.com