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• ### 03应用统计学统计数据的整理与显示.PPT

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• ### 02应用统计学统计数据的搜集.ppt

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• ### 01应用统计学贾俊平绪论

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• ### 无线传感器网络研究进展

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• ### SUN公司云计算入门指南

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• ### Multiple Object Types KNN Search Using Network Voronoi Diagram

Multiple Object Types KNN Search Using Network Voronoi Diagram Abstract. Existing work on k nearest neighbor (kNN) in spatial/mobile query processing focuses on single object types. Furthermore, they do not consider optimum path in KNN. In this paper, we focus on multiple type kNN whereby the interest points are of multiple types. Additionally, we also consider an optimum path to reach the interest points. We propose three different query types involving multiple object types. Our algorithms adopt the network Voronoi Diagram (NVD). We describe two ways to solve multiple types of KNN queries: one is to create NVD for each object type, and two is to create one NVD for all objects. The comparison between these two approaches is presented in performance

2010-04-25
10