PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • U.S. Pat. No. 4,837,798, issued Jun. 6, 1989 to Cohen et al., illustrates a communications system including a centralized, unified repository for received messages in any communications medium, including voice mail, e-mail, and any other media such as facsimile.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca