PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These photochromic compounds find applications in different fields, for example, in the manufacture of ophthalmic lenses, contact lenses, sun protection glasses, filters, optical systems of cameras or photographic apparatuses or other optical and observation devices, paneling, decorative objects, display elements or for the storage of information by optical inscription (coding).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com