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题名:
optimal infostation deployment for spatio-temporal information dissemination
作者: Xiong Yongping ; Tian Rui ; Ma Jian ; Liu Yan ; Sun Limin
会议文集: Proceedings - IEEE Symposium on Computers and Communications
会议名称: 15th IEEE Symposium on Computers and Communications, ISCC 2010
会议日期: 37429
出版日期: 2010
会议地点: Riccione, Italy
关键词: Heuristic algorithms ; Optimization ; Polynomial approximation ; Sales
出版地: United States
ISSN: 15301346
ISBN: 9781420000000
部门归属: (1) Institute of Computing, Chinese Academy of Sciences, Beijing, China; (2) Graduate University of the Chinese Academy of Sciences, Beijing, China; (3) Nokia Research Center, Beijing, China; (4) School of Software and Microelectronics, Peking University, Beijing, China; (5) Institute of Software, Chinese Academy of Sciences, Beijing, China
主办者: IEEE; IEEE Computer Society; IEEE Communications Society
英文摘要: A growing number of applications require disseminating information around specific geographical areas within a limited valid time. For example, the store in the mall area expects to publish the time-limited sales promotion to all the potential clients in the nearby area, before the discount activity end. In this paper, we study the problem of deploying infostation for geographical information dissemination. It aims to achieve the desired dissemination ratio under the given time constraint and to minimize the infostation deployment cost. Inspired by several observations in recent studies on realistic mobility model, we build a mobility graph to reflect the statistical characteristic of users movement in a area. Based on this graph, we formulate the infostation deployment problem as an optimization problem. Then, we prove it is NP-hard by reducing it to the classical vertex cover problem and then develop a greedy heuristic algorithm DGREEDY with the polynomial time complexity. Extensive simulations based on the real human mobility traces have been carried out to show the efficacy of our approach.1 © 2010 IEEE.
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/8848
Appears in Collections:基础软件国家工程研究中心_会议论文

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Recommended Citation:
Xiong Yongping,Tian Rui,Ma Jian,et al. optimal infostation deployment for spatio-temporal information dissemination[C]. 见:15th IEEE Symposium on Computers and Communications, ISCC 2010. Riccione, Italy. 37429.
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