PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It should further be realized that either or both of the primary and secondary modulations may have waveforms other than triangular or sinusoidal, and may have frequencies and amplitudes differing from the specific values given above which are by way of illustration only.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com