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《Journal of Transport Information and Safety》 2010-01
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Urban Road Traffic Flow Prediction System

LI Ruimin1 MA Hongliang2 LU Huapu1 GUO Min3(Institute of Transportation Engineering,Tsinghua University,Beijing 100084,China)1 (Department of Civil Engineering,Tsinghua University,Beijing 100084,China)2 (Beijing Traffic Management Bureau,Beijing 100037,China)3  
As an important part of urban intelligent traffic management system,short-term traffic prediction has received special attention in the past decades.Based on the demand analysis of traffic prediction system,including function and performance demand,the logic and physical system architecture are presented.The logic system architecture mainly includes three layers,which are basic data layer,data process,and compute layer and application layer.Four main key function servers are introduced,including database server,computation server,GIS server and Web application server.Then,the main functions,four main function modules and data flow of the proposed traffic prediction system are analyzed.Finally,the implementation technique is proposed.The deployment of the system in Beijing indicates that the architecture and implementation technique of the proposed system are feasible.
【Fund】: 国家高技术研发局计划(863计划)项目(批准号:2007AA112233);; 北京市科委绿色通道项目(批准号:D07020601400705)资助
【CateGory Index】: U491.112
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