PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Photovoltaic panels and films, made mostly of silicon, convert sunlight into electricity by allowing sunlight to stimulate electrons to a higher state of energy, then converting that energy into electrical current.
http://www.w3.org/ns/prov#wasQuotedFrom
  • motherearthnews.com