PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Double exposure is a technique that originated with film photography where you would expose the same frame of film twice (or more).
http://www.w3.org/ns/prov#wasQuotedFrom
  • petapixel.com