PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In contrast, visible light and ultraviolet light close in wavelength to visible light is reflected by the topmost layer in the laminated reflection mirror which contains substances such as Mo, Be, or Si so as to reach the illumination optics as well as the projection optics.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com