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[RFID] Filtering-RFID-middleware DL : 0: 本文研究RFID中间件的事件过滤技术，主要工作：(1)综合分析了各RFID事件过滤算法的性能，着重分析了两种具有代表性的算法并指出其不足和局限。(2)分析了 RFID中间件在实际应用中的性能要求，提出一种更适合于RFID中间件的事件过滤算法，基于聚合转换和KDB树的事件过滤算法。(3)用仿真实验测试各算法的性能表现，证明本文的算法提升了RFlD中间件的综合性能。-Event Filtering is the core function of RFID middleware and is hot spot in the research of RFID middleware．Traditional Event Filtering technology rely on a variety of optimization in the database，Can not meet the requirements of RFID middleware．the filtering technology based Oil the memory databases is concern about in current researches，such as a variety of filtering techniques based on the hash table，CQI，vclL R-Tree index have been proposed and applied to the RFID middleware．Them improved the timeliness and reduce the storage space to some extent，but t11ey emphasize unilateral performance but not overall performance because the practical application environment of RFID middleware is not considered III
Date : 2025-12-16 Size : 3.04mb User : HY jian