PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The system as recited in claim 1 wherein the filter is an optical element has opposed sides with a spherical surface being positioned on one of the opposed sides and a planar surface being disposed on the remaining side of the opposed sides with the holographic transform function being disposed within a volume of the lens between the spherical and the planar surfaces.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com