PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, because liquid crystal light valves have a transparent substrate, for example made of glass or quartz, and the substrate has a thickness of the order 0.5 mm, the presence of the substrate determines a minimum separation between the plane of the lenses of the array 1 and the plane of the pixels of the light valve 2.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com