PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The heat exchangers 32a-d are generally identical and, as noted above, are buried or submerged in a heat source/sink such as the earth, a well, a lake, a pond, or a stream.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com