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Liao Wei, Xiong Wei, Jing Ning, Chen Hongsheng, and Zhong Zhinong. Hybrid Indexing of Moving Objects with Frequent Updates[J]. Journal of Computer Research and Development, 2006, 43(5): 888-893.
Citation: Liao Wei, Xiong Wei, Jing Ning, Chen Hongsheng, and Zhong Zhinong. Hybrid Indexing of Moving Objects with Frequent Updates[J]. Journal of Computer Research and Development, 2006, 43(5): 888-893.

Hybrid Indexing of Moving Objects with Frequent Updates

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  • Published Date: May 14, 2006
  • TPR-tree is the most popular indexing method for the current and future position of moving objects,but its frequent updates performance is very low. HTPR-tree, which is based on TPR-tree, supplemented by a hash index on leaf nodes and a memory-based direct-access table pointing to internal nodes of TPR-tree is presented for moving objects with frequent updates. Also an extended bottom-up update algorithm is developed for HTPR-tree. Performance analysis and experimental results show that the HTPR-tree update performance outperforms any other indexing method including TPR\+*-tree at the cost of slight query performance degrade.
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