PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The demodulated signal, which is a d.c. voltage, then can be amplified in a high gain amplifier, and the output of that amplifier is applied to the input of a suitable device, such as a meter, for continual display and monitoring of the test surface potential.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com