PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Natural gas prices have plummeted, due to an oversupply, and because gas is a also by-product of other commodities, the supply keeps growing, setting up a situation where concerns have been expressed about our ability to store all that gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com