PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Air is a suitable interface, however, a bonding material such as epoxy or glue may also serve as a good interface if its corresponding index of refraction is sufficiently less that that of the plate material for ensuring total internal reflection of the waves within the transmission plate.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com