PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The new rules require the more than 1.2 million bbl of oil extracted each day from the state???s Bakken shale formation be run through machines that remove ethane, propane, and other volatile gases linked to recent crude-by-rail disasters in Quebec, Illinois, and West Virginia.
http://www.w3.org/ns/prov#wasQuotedFrom
  • spe.org