PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An image display apparatus using electrons requires an envelope unit for keeping a vacuum atmosphere, an electron source for emitting the electrons, a drive circuit thereof, an image forming member including a fluorescent material that emits the light upon impingement of electrons, an acceleration electrode for accelerating the electrons toward the image forming member, and a power source thereof.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com