PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This can be a nuisance for photographers who like to use filters such as polarisers and neutral density gradients.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dpreview.com