PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For etalons filled with an electrooptic material such as Lithium Niobate or liquid crystals, the tuning mechanism may comprise an applied electric field.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com