PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The method of claim 10 wherein said step of detecting whether there is an identification of a physical location includes receiving a system-level message directly associated with said incoming message, said system-level message being one of a header attached to said incoming message or an isolated message that precedes said incoming message.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com