Volume 38 Issue 6
Jun.  2013
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PAN Shaoming, XU Zhengquan, LIU Xiaojun. Dynamic Statistical Algorithm of Spatial Data Access Laws[J]. Geomatics and Information Science of Wuhan University, 2013, 38(6): 734-736.
Citation: PAN Shaoming, XU Zhengquan, LIU Xiaojun. Dynamic Statistical Algorithm of Spatial Data Access Laws[J]. Geomatics and Information Science of Wuhan University, 2013, 38(6): 734-736.
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Dynamic Statistical Algorithm of Spatial Data Access Laws

  • 1State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing, Wuhan University,129 Luoyu Road,Wuhan 430079,China

Funds: 国家自然科学基金资助项目(41271398); 国家973计划资助项目(2011CB302306)
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  • Received Date: February 10, 2013
  • Revised Date: February 10, 2013
  • Published Date: June 04, 2013
    Graphical Abstract
    • Abstract
  • The tile access has dynamic features(server peer capability,storage device and hot tiles have dynamic features) and the Hotmap model based on the historical log information can not reflect the real system’s current global information.Reproduction and distribution will produce a huge network flow rate in a large scale distributed nodes environment.A dynamic statistics algorithm for the distribution rule of the spatial data based on P2P is proposed to resolve above-mentioned problems.The service capabilities of the service nodes are calculated in this algorithm.The node agents with good service capabilities are chosen preferentially in the group to fuse dynamic statistical information.The experimental results show that the algorithm can meet the need of dynamic statistics in large scale distributed modes environment with high efficiency.
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  • [1]
    王浩潘少明,彭敏,李锐,. 数字地球中影像数据的Zipf-like访问分布及应用分析[J]. 武汉大学学报(信息科学版). 2010(03)[2] 潘少明喻占武,李锐,. 基于主动缓存的P2P海量地形漫游瓦片调度算法[J]. 测绘学报. 2009(03)[3] 潘少明喻占武,王浩,. 基于节点分组的P2P海量地形数据共享机制[J]. 武汉大学学报(信息科学版). 2009(06)[4] 王浩喻占武,曾武,潘少明,. 基于瓦片寿命和访问热度的海量空间数据缓存置换策略[J]. 武汉大学学报(信息科学版). 2009(06)[5] 马修军刘晨,谢昆青,李晨煜,雷小锋,高勇,陈斌,. P2P环境中的全局空间数据目录研究[J]. 地理与地理信息科学. 2006(03)
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