PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A principal application is in circumstances where a design, such as information, an advertisement or other indicia is to be visible from one side of a panel and not visible from the other side, this being coupled, if desired, with one-way vision.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com