PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • has called for doubling the amount of U.S. electricity produced by renewable sources, such as wind and solar power, during the next three years to reduce greenhouse emissions that cause global warming.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com