PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This is a known bug when using a server such as Microsoft Exchange see Send Time time stamp information is incorrect when you send a delayed delivery message in Outlook
http://www.w3.org/ns/prov#wasQuotedFrom
  • superuser.com