PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Thus, this portion of the software can be sophisticated enough to perform image recognition to determine the subject matter, or it may prompt the user to input the general subject matter of the artwork such as nature scenes, animals, people, formal or informal settings, and whether the customer wants to limit the search to particular types of materials, such as wood or metal.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com