PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As a result, the advertisements often include very little information, such as a title, a very short description, and an advertisement landing page URL. Often, users cannot determine from the advertisement presentation itself whether the advertiser has a product or service the user is seeking.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com