PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A power meter is a device that records and measures power events, power quality, current, voltage waveforms, harmonics, transients and other power disturbances.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com