PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A few years back there was a case where the German police forced a system like that to start monitoring its users.But it does give good background and points to some respected resources.
http://www.w3.org/ns/prov#wasQuotedFrom
  • berylliumsphere.com