PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Ross article entry and the thread (which has some great responses) that goes with it opens up a great discussion about the ethical practice of all ad links in general by all companies including Microsoft and Yahoo.
http://www.w3.org/ns/prov#wasQuotedFrom
  • msdn.com