PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The shale drilling boom now underway in Texas, Louisiana, Pennsylvania, Oklahoma and other states is already creating jobs, slashing natural-gas prices, and spurring billions of dollars of investment in new production capacity for critical commodities like steel and petrochemicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dogbrothers.com