PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The pulse repetition rate for central processor operations may be a frequency such as 450 kc. whereby the period between pulses is approximately 2.25 microseconds.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com