Current urban transportation system applications often deal with the scenarios of large scale multiple-layer road networks, with the requirement of qualified overall prediction accuracy. However, the common related studies mostly focus on the prediction of individual road segments or intersections. In this paper, we propose a generic method for large scale coupling urban traffic to forecast the future states of the overall network. In the preliminary stage, the features are extracted using unsupervised method. Subsequently, an ensemble learning via matching the historical data and the current information are implemented to predict the traffic state transition. The data set for experiment is composed of multiple layers of road network in Shanghai, which are collected by loop detectors every two minutes. We verify the effectiveness of the developed method by evaluating the experimental prediction performance using the actual data. The results also indicate that adding the interactive features of the coupling road network to the forecasting algorithm can generate superior prediction accuracy comparing with the independent prediction method.


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    Title :

    Ensemble learning based urban traffic state prediction for coupling traffic network with large scale data


    Contributors:
    Chengjue Yuan, (author) / Dewei Li, (author) / Xi, Yugeng (author)


    Publication date :

    2016-11-01


    Size :

    300479 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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