PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention can also be applied to instant messaging and other forms of addressable electronic messages including, but not limited to, voice mail messaging systems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk