PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To my mind, if you want to discourage tar-sand development, encourage moving energy production up to lighter areas of the the hydrocarbon chain like natural gas, and perhaps try to give fusion some sort of development kick.
http://www.w3.org/ns/prov#wasQuotedFrom
  • economist.com