PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A heat pump is an electrically powered unit consisting of a compressor and a pair of heat exchangers which is able to tap the natural thermal energy stored in the earth, air or water and use this to heat your home and provide hot water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • alternativetechnology.org.uk