PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Scientists have begun developing a new approach that could allow a massive breakthrough in the efficiency of solar panels through the use of nano-particles of germanium, silicon and other materials.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thinkprogress.org