PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • omote exploration for oil in Canada, promote alternative energy sources, and increase government revenues from oil sales through a variety of taxes and agreements.[4] The NEP's Petroleum Gas Revenue Tax (PGRT) instituted a double-taxation mechanism that did not apply to other commodities, such as gold and copper (see Program details" item (c), below).
http://www.w3.org/ns/prov#wasQuotedFrom
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