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An approach to disconnected operation in an object-oriented database

With the advent of mobile computers, new challenges arise for software designers. The paper focuses on disconnected operation: making mobile computers work well on shared data whether the network is available or not. Initially the shared data is cached on the mobile computer. Modifications and additions to this cached data will be reconciled with the shared data when the mobile computer is reconnected to the network. Conflict resolution will be used to reconcile conflicting changes. We examine these issues by adding support for disconnected operation to Thor an object-oriented database.