PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, the International Energy Agency, BP, ExxonMobil and other organisations have forecast that the US, and certainly North America, will become self-sufficient in oil over the next 15 to 20 years.
http://www.w3.org/ns/prov#wasQuotedFrom
  • realclearworld.com