PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Britain's North Sea production peaked in 1999 at 4.5m barrels a day, and will decline to just 2m by 2016, according to Oil & Gas UK. Giants such as Shell and Exxon Mobil are drifting away, lured by more bountiful reserves in Africa and the Americas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • economist.com