PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An achromatizing lens is an example of an achromatizing optical element, and is a lens wherein a convex lens made up of crown glass with relatively small dispersion, and a concave lens made up of flint glass with great dispersion are glued together.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com