PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Protocol Usage Reports The protocol usage reports obtain data about usage and activity levels for the mail protocols that are used by Exchange, such as POP3, IMAP4, and SMTP. You can also obtain usage and activity level reports for Exchange components, such as Microsoft Exchange Information Store service, mailbox store, public folder store, MTA, and Outlook Web Access.
http://www.w3.org/ns/prov#wasQuotedFrom
  • microsoft.com