PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Solar power is the cleanest and most abundant source of energy, and as such photovoltaic devices that convert light to electricity will likely be a major part of overcoming that challenge.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ox.ac.uk