PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present system can also incorporate other energy efficient methods and systems, as shown in FIG. 2, including a means of using the heat absorbed in the interstage coolant water of the multi-stage compressor to provide supplemental heat for water heaters and boilers and other areas of the building or property, so that the heat can be put to efficient use.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com