PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Clean Energy ??? Projects that deploy cleaner energy sources, such as solar, wind, geothermal, biomass, and natural gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • energyandcapital.com