PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many homeowners can cut their energy bills by 30 percent by using energy efficient appliances, heating and cooling systems, and building materials, including insulation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • epa.gov