PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Polarizers, lenses, mirrors, diffraction gratings, apertures, half-wave plates, or filters of various types may be employed to condition, focus and direct the light from light source 24 to beam splitter 30.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com