PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the preferred embodiment of the present invention, the system and method provide a means to add or combine graphics, photos, sound, hyperlinks, music, multimedia, or other information or data in the communication.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com