| 摘要 |
A collaborative messaging system includes a communications engine for sending and receiving messages among a plurality of users, including a contact generator to generate at least one user contact, a plurality of user filters, each associated with at least one of the plurality of users, and a plurality of user contact lists, each associated with at least one of the plurality of users and adapted to contain at least one user contact. In response to a comparison between user filters, the contact generator is configured to update at least one of the plurality of user contact lists.
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