PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ss, biogas, biofuels, waste heat recovery, combined heat and power systems, and other renewable energy technologies.???
http://www.w3.org/ns/prov#wasQuotedFrom
  • cleantechies.com