PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is defined here that an electro-optical device is a device which converts an electrical signal into an optical signal or a device which operates conversely.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com