PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The first Four Thirds System products to be introduced to the market were the professional-oriented Olympus E-1 and related E-System lenses, flash units, and other accessories that were launched by Olympus in October 2003.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cdrinfo.com