PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Further, in the printer engine 4, an optical writing unit including a polygon motor, a polygon mirror, an F?? lens, a laser diode as a light source, a mirror and the like is disposed in the main body chassis, so that an optical writing beam modulated in accordance with the data to be printed emits from the laser diode.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com