PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Reserves, 2010: 4.3 trillion cubic feet equivalent (3 percent of that is oil or other liquids, converted to the equivalent volume in gas).
http://www.w3.org/ns/prov#wasQuotedFrom
  • propublica.org