PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are units such as one vegetable is ?? cup and it says one of my sons should eat 2.5 cups a day (5 servings).
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com