PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • David Dodson, a spokesman for TransCanada, said courts have already ruled that tar sands are a form of crude oil.
http://www.w3.org/ns/prov#wasQuotedFrom
  • news-star.com