PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As a further example, the points at which fiber-optic bundle 218 and other similar bundles transmit coherent laser beams through optical window 106 can employ smaller view ports made of a material such as sapphire, calcium fluoride, zinc selenide, barium fluoride, or some other suitable IR-transparent material.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com