PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ???I will develop all our energy resources, including wind, solar and energy efficiency,??? he said. ???Saving energy remains the cheapest and cleanest energy resource available.???
http://www.w3.org/ns/prov#wasQuotedFrom
  • npr.org