mobile computing; adaptive AVI based cache invalidation scheme; mobile computing systems; data item caching; mobile clients; data access delay; low bandwidth mobile network; cached items; database server; real time properties; Invalidation by Absolute Validity Interval; IAVI; absolute validate interval; real time property; update interval; last update time; self-invalidation mechanism; invalidation report; update event; mean response time; invalidation report size; system parameters
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