PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, the unit will still need some electricity to run so, while it is environmentally friendly in comparison to other forms of heating, it is not free of carbon emissions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • uswitch.com