| 摘要 |
A project management system comprises a database for storing objects relating to a project together with data defining interdependencies of the objects. A control system responsive to entities connected to it provides access to selected objects stored on the database and stores on the database updated versions of selected objects received from the entities. The control system is adapted to notify, in response to an activity on an object, all entities handling that object or other objects dependent on that object of the existence of the activity.
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