PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The light pipe 105 may be made of a solid optically transmissive material, such as glass, plastic or other optical material capable of exhibiting TIR and having an index of refraction.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com