PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A commemorative plaque, or simply plaque, is a plate of metal, ceramic, stone, wood, or other material, typically attached to a wall, stone, or other vertical surface, and bearing text or an image in relief, or both, in memory of one or more persons, an event, a former use of the place, or some other thing.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org