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The rapid development of wireless communication technology and battery powered portable devices is making mobile information services increasingly popular. Since the bandwidth resource of wireless networks is scarce and the mobile devices have a limited battery capacity, any solution for information access must be devised in such a way that processing time and power consumption for the devices is minimized. Data broadcast is an attractive data dissemination method in a mobile environment. The main issues in data broadcast scheme are minimizing the query response time, mobile client tuning time and access latency.
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