PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many theories have been put forward to explain this phenomenon, such as a theory that it conserves body heat or promotes circulation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.org