PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A message code is associated with an e-mail message and/or a recipient if it is stored in a data processing or other system in such a way as to facilitate the matching of the message code with a specific message to a specific recipient.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com