PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The best way is to charge an amount that reflects the true cost of the electricity, including social costs from importing oil, pollution, climate change, and so on.
http://www.w3.org/ns/prov#wasQuotedFrom
  • popsugar.com