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题名: Urban mobility dynamics based on flexible discrete region partition
作者: Wang L(王亮) ; Hu KY(胡琨元) ; Ku T(库涛) ; Wu JW(吴俊伟)
作者部门: 信息服务与智能控制技术研究室
关键词: Data processing ; Semantics
刊名: International Journal of Distributed Sensor Networks
ISSN号: 1550-1329
出版日期: 2014
卷号: 2014
收录类别: SCI ; EI
产权排序: 1
摘要: Understanding the urban mobility patterns is essential for the planning and management of public infrastructure and transportation services. In this paper we focus on taxicab moving trajectory records and present a new approach to modeling and analyzing urban mobility dynamics. The proposed method comprises two phases. First, discrete space partition based on flexible grid is developed to divide urban environment into finite nonoverlapping subregions. By integrating mobility origin-destination points with covered region, the partitioned discrete subregions have better spatial semantics scalability. Then, we study mobility activity and its distribution randomness during given time periods among discrete subregions. Moreover, we also carry out the analysis of mobility linkage of mobility trips between different regions by O-D matrix. We present a case study with real dataset of taxicab mobility logs in Shenzhen, China, to demonstrate and evaluate the methodology. The experimental results show that the proposed method outperforms the clustering partition and regular partition methods.
语种: 英语
WOS记录号: WOS:000330742700001
WOS标题词: Science & Technology ; Technology
类目[WOS]: Computer Science, Information Systems ; Telecommunications
关键词[WOS]: PATTERNS
研究领域[WOS]: Computer Science ; Telecommunications
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/14674
Appears in Collections:信息服务与智能控制技术研究室_期刊论文

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王亮; 胡琨元; 库涛; 吴俊伟.Urban mobility dynamics based on flexible discrete region partition,International Journal of Distributed Sensor Networks,2014,2014():
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