PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The optical component may be lenses, windows, or reflectors e.g. of ZnSe, GaAs, glass, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca