| 摘要 |
Methods and systems are described for providing status information relating to a relation between a plurality of participants. One method includes receiving a first message from an agent associated with a relation principal for a relation between a plurality of participants, the message including relation status information of the relation. A relation tuple associated with the relation principal for the relation is provided. The relation tuple includes a party element having information identifying at least one of the plurality of participants in the relation and a status element having a status of the relation. In response to providing the relation tuple, a notification message including at least a portion of the received relation status information is generated.
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