PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If you make energy efficiency improvements, such as a boiler upgrade, insulation installation or replacement doors, your monthly energy costs should go down.
http://www.w3.org/ns/prov#wasQuotedFrom
  • greendealcentral.com