Improving mobile database access over wide-area networks without degrading consistency
Proceedings of the 5th international conference on Mobile systems, applications and services
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The classic tension between designing systems around thin client applications to facilitate controlling and sharing an enterpriseýs information resources and thick client applications to avoid dependence on a centralized, potentially unreliable infrastructure has never been more prominent than in todayýs mobile computing environments. Contextual replication can mitigate this tension by providing mobile users with the benefits of shared information managed according to well-defined business processes while accommodating the connectivity and interface limitations inherent in mobile devices. In the Cogenia system, a userýs changing information needs are anticipated by examining the userýs context, including his recent and upcoming appointments, business and personal contacts, current location, and important tasks. Personalized information is accessible on the userýs mobile device through the applications with which the user is already familiar. Utilizing active, two-way replication, changes made from a mobile device are propagated to other devices and other users that share this information.