PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The photovoltaic (PV) industry does not exist in a vacuum however; it competes with conventional energy technologies (coal and natural gas), nuclear, and other renewables (wind), not to mention energy-efficiency technologies (primarily building materials such as windows).
http://www.w3.org/ns/prov#wasQuotedFrom
  • electroiq.com