PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In CPV systems, optical components such as mirrors and lenses are used to focus sunlight onto photovoltaic cells.
http://www.w3.org/ns/prov#wasQuotedFrom
  • worldfutureenergysummit.com