PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention is directed to conversational systems which can be accessed from multiple client devices, such as a desktop computer, a telephone, a personal digital assistant (PDA) or other client devices, for example a pager, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com