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Caching frequently accessed data items on the client side is an effective technique for improving performance in a mobile environment. Classical cache invalidation strategies are not suitable for mobile environments due to frequent disconnections and mobility of the clients. One attractive cache invalidation technique is based on invalidation reports (IRs). However, the IR-based cache invalidation solution has two major drawbacks, which have not been addressed in previous research. First, theredoi:10.1145/345910.345945 dblp:conf/mobicom/Cao00 fatcat:s2ou7ukqwfbtzhcaqjthmmhchq