PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A telephone call is an example of a simple full-duplex communication: both parties can talk simultaneously as telephony technology is configured such that the line can transmit the audio in both directions at the same time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • howtogeek.com