PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Cameron International Corporation manufactures oil and gas pressure control equipment, including valves, wellheads, chokes, and assembled systems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cheatsheet.com