PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In Texas, Oklahoma, Louisiana, New Mexico and Colorado, regulatory agencies gather data about the amount of gas, water and other resources produced from each well on a monthly basis, in part so they can impose a severance tax.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thetimes-tribune.com