PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The method according to claim 1, further comprising the steps of:designating stored messages, including the anchored messages, as read or unread, wherein read messages have been presented to a user and unread messages have not been presented to a user; and prioritizing a deletion order of the stored messages depending upon whether each message is anchored and whether each message is read or unread
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com