PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The system has a number of components including a radio frequency receiver, a filter, an amplifier, and an analog to digital converter.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com