PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The term ???call??? is intended to include not only telephone calls, but other types of communications, including e-mails, pages and Internet telephony communications.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com