PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These include fuel cells, heavy oil upgrading and recovery, carbon dioxide sequestration, geothermal and small hydro power generation and other emerging energy technologies.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cleantech.com