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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/74895


    Title: Efficient cache invalidation schemes for mobile data accesses
    Authors: Chuang, Po-Jen;Chiu, Yu-Shian
    Contributors: 淡江大學電機工程學系
    Keywords: Mobile data accesses;Cache invalidation;Server-client data consistency;Invalidation reports;MANET;Performance evaluation
    Date: 2011-11
    Issue Date: 2012-02-13 23:13:50 (UTC+8)
    Publisher: Philadelphia: Elsevier Inc.
    Abstract: This paper presents two cache invalidation schemes to maintain data consistency between the server and clients in a mobile environment. Designed according to real situations like MANET, the Adaptive Data Dividing (ADD) scheme divides data into groups of different utilization ratios and varies group broadcast intervals to reduce data access time and bandwidth consumption. The Data Validity Defining (DVD) scheme aims to solve the validity problem of cached data items, which usually happens after clients disconnect from the server. Experimental evaluations and performance analyses exhibit that the two schemes outperform most existing cache invalidation schemes in terms of data access time, cache miss ratios, query uplink ratios and bandwidth consumption.
    Relation: Information Sciences 181(22), pp.5084–5101
    DOI: 10.1016/j.ins.2011.07.005
    Appears in Collections:[電機工程學系暨研究所] 期刊論文

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