PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When a document such as an email is transmitted and read by the recipient, there are often pieces of information within the document that might be of further interest to the recipient, but the document author has failed to provide sufficient details to allow the recipient to follow up this interest.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com