PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is thanks to developments like these that since 1970, world oil reserves have more than doubled, despite the extraction of hundreds of millions of barrels.[6] Fourth, Peak Oil thesis pays insufficient attention to energy sources other than oil.
http://www.w3.org/ns/prov#wasQuotedFrom
  • middle-east-online.com