PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These shots of a white coloured ceiling were taken at a distance of 1.5m, and demonstrate how much extra vignetting the flash may cause, particularly at the wide end of the 18-200mm lens, where its coverage is not enough to evenly illuminate the scene.
http://www.w3.org/ns/prov#wasQuotedFrom
  • photographyblog.com