PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The great majority of solar companies are racing to squeeze as much electricity as possible out of photovoltaic cells built from silicon or other materials.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cnet.com