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作者:

Gao, Xu (Gao, Xu.) | Guo, Limin (Guo, Limin.) | Huang, Guangyan (Huang, Guangyan.) | Ding, Zhiming (Ding, Zhiming.) (学者:丁治明) | Wu, Yanjun (Wu, Yanjun.) | Cai, Borui (Cai, Borui.) | Meng, Xiangxi (Meng, Xiangxi.) | Chen, Juncheng (Chen, Juncheng.)

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EI Scopus

摘要:

Trajectories contain considerable routing information, and trajectory-based routing gains the attention of researchers recently. This paper argues the problem of searching time period Longest Frequent Path(TPLFP). The TPLFP, as one of the reasonable alternative Most Frequent Path (MFP), is close to MFP enough and maximizes the number of frequent route segments. First, we define TPLFP formally. To acquire accurate path frequencies, we describe the footmark, the footmark graph notations and design the Linear Sketch Footmark Index (LSFI) to speed up extracting proper footmark and constructing related footmark graph. Next, we develop a Best-First search algorithm with four pruning strategies. Next, we give an advanced footmark graph and its building algorithm. The extensive experiments demonstrate the effectiveness and efficiency of our index schemes and algorithms, which can find TPLFP results in expected response time. © 2016 IEEE.

关键词:

Data communication systems Data Science Graph algorithms Smart city Trajectories

作者机构:

  • [ 1 ] [Gao, Xu]University of Chinese Academy of Sciences, Beijing, China
  • [ 2 ] [Gao, Xu]Institute of Software, Chinese Academy of Sciences, Beijing, China
  • [ 3 ] [Guo, Limin]Beijing University of Technology, Beijing, China
  • [ 4 ] [Huang, Guangyan]School of Information Technology, Deakin University, Melbourne, Australia
  • [ 5 ] [Ding, Zhiming]Beijing University of Technology, Beijing, China
  • [ 6 ] [Wu, Yanjun]Institute of Software, Chinese Academy of Sciences, Beijing, China
  • [ 7 ] [Cai, Borui]Xilinx, Inc., Beijing, China
  • [ 8 ] [Meng, Xiangxi]Beihang University, Beijing, China
  • [ 9 ] [Chen, Juncheng]Beijing University of Technology, Beijing, China

通讯作者信息:

  • 丁治明

    [ding, zhiming]beijing university of technology, beijing, china

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年份: 2016

页码: 1461-1468

语种: 英文

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SCOPUS被引频次: 1

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