PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Well, obviously, Horizon is a much more complex development than drilling a primary heavy oil well or a shallow gas well in southern Alberta or even an offshore well off a platform in the North Sea.
http://www.w3.org/ns/prov#wasQuotedFrom
  • seekingalpha.com