PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These lenses actually are an afocal optical system working as a finite-conjugate imaging lens.
http://www.w3.org/ns/prov#wasQuotedFrom
  • advancedimagingpro.com