Applying Multiple Query Optimization in Mobile Databases

Authors:
Rajeswari Malladi;Karen C. Davis
Affiliations:
-;-
Venue:
HICSS '03 Proceedings of the 36th Annual Hawaii International Conference on System Sciences (HICSS'03) - Track 9 - Volume 9
Year:
2003

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Abstract

We apply multiple query optimization to batches ofpull (on-demand) requests in a mobile database system.The resulting view can answer several queries at once,and it is broadcast on a view channel dedicated tocommon answers of multiple queries rather than overindividual downlink channels. A performance study isconducted that simulates different query workloads. Theresults indicate a significant savings in channelbandwidth usage and a reduction in average wait timefor a multi-query approach compared to a traditionalpull-based approach.