PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Surf photographers often purchase 500mm fixed focal length lenses that get F4, and they???re usually good enough to capture the kinds of pictures that make it into surf magazines.
http://www.w3.org/ns/prov#wasQuotedFrom
  • digital-photo-secrets.com