PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Lens hoods are useful for keep stray light out of the lens, with consequent ghosting, if you are shooting with a bright object, such as the Sun, just out of frame.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cameralabs.com