PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • it is not an officially recognized alternative to Manual J as far as I know, so you might want to be cautious about relying only on this number, especially if it is smaller than the J estimate; it is probably the better number, but if you go with the J estimate no one can say you didn't go by the book.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hvac-talk.com