PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The thickness of the window can be set at such a value as will be able to serve also as an antireflection coating for the exciting light rays.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com