| http://www.w3.org/ns/prov#value | - The fields of an entry of the UMMT 41 are compose of ???Message ID??? identifying a message uniquely, ???Date/Time??? indicative of date and time when a message is received (for receipt box) or transmitted (for transmitted box), ???Type/Opened??? indicative of message type and whether a message is opened or not, ???Receiver??? and ???sender??? in which addresses of receiver and sender are filled i
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