| 摘要 |
An apparatus, program product, and method utilize "dynamic" groups to manage user groups in a networked computer system (10). Within a dynamic group data, a group membership criterion associated with a set of member identifiers, such that the set of member identifiers identifies those users that meet the group membership criterion for the dynamic group. Dynamic updates are performed periodically, such that the set of member identifiers for a dynamic group are updated to reflect modifications to the plurality of users, and thereby keep the identification of members in the dynamic group current. Dynamic group data structures may be utilized in connection with multiple networked target computer environments having users that span multiple computer domains and/or enterprises, wherein the target computer environments are networked with a hub computer (14) upon which is resident a database (34) that maintains a dynamic group data structure. Within at least a portion of such target computer environments, mirrored group data structures are distributed and maintained, with each including at least a subset of member identifiers from the set of member identifiers associated with the dynamic group data structure.
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