PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In one embodiment, the instant messages are clustered around a theme, such as a picture, a graphic or even bit mapped data.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com