PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • utilities and other customers who need it. natural gas supply is unconventional gas, conventional gas made up 80 percent
http://www.w3.org/ns/prov#wasQuotedFrom
  • docstoc.com