PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As used herein, a ???contact??? refers to any mode or type of contact between two entities, including without limitation voice calls, VoIP, text-chat, e-mail, fax, electronic documents, web forms, voice messages, and video calls, to name but a few.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com