PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • At the heart of developing Caspian reserves are two major contenders, Russia and Western oil companies, most notably U.S. firms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • upi.com