PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The other point here is that while most of our electricity is produced from non-renewable sources like coal, oil, gas and nuclear power stations, these are more efficient than most car engines.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bit-tech.net