National Changhua University of Education Institutional Repository : Item 987654321/11887
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题名: A concurrency control protocol for continuously monitoring moving objects
作者: Dai, Jing;Lu, Chang-Tien;Lai, Lien-Fu
贡献者: 資訊工程學系
日期: 2009-05
上传时间: 2012-07-02T02:26:15Z
出版者: IEEE Computer Society Washington, DC, USA
摘要: The increasing usage of location-aware devices, such as GPS and RFID, has made moving object management an important task. Especially, being demanded in real-world applications, continuous query processing on moving objects has attracted significant research efforts. However, little attention has been given to the design of concurrent continuous query processing for multi-user environments. In this paper, we propose a concurrency control protocol to efficiently process continuous queries over moving objects on a B-tree-based framework. The proposed protocol integrates link-based and lock-coupling strategies, and is proven to assure serializable isolation, data consistency, and deadlock-free for continuous query processing. Concurrent operations including continuous query, object movement, and query movement are protected under this protocol. Experimental results on benchmark data sets demonstrated the scalability and efficiency of the proposed concurrent framework.
關聯: International Conference on Mobile Data Management Systems, Services and Middleware (MDM 2009), May 18-20, 2009: 132-141
显示于类别:[資訊工程學系] 會議論文

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