PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The structure provides extremely high light emission efficiency, and is employed for most of light emitting devices that are currently under research and development.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com