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Spatio-Temporal Graph Convolutional Networks: A Deep Learning Framework for Traffic Forecasting
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- Bing Yu
- School of Mathematical Sciences, Peking University, Beijing, China
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- Haoteng Yin
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China
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- Zhanxing Zhu
- Center for Data Science, Peking University, Beijing, China
Description
<jats:p>Timely accurate traffic forecast is crucial for urban traffic control and guidance. Due to the high nonlinearity and complexity of traffic flow, traditional methods cannot satisfy the requirements of mid-and-long term prediction tasks and often neglect spatial and temporal dependencies. In this paper, we propose a novel deep learning framework, Spatio-Temporal Graph Convolutional Networks (STGCN), to tackle the time series prediction problem in traffic domain. Instead of applying regular convolutional and recurrent units, we formulate the problem on graphs and build the model with complete convolutional structures, which enable much faster training speed with fewer parameters. Experiments show that our model STGCN effectively captures comprehensive spatio-temporal correlations through modeling multi-scale traffic networks and consistently outperforms state-of-the-art baselines on various real-world traffic datasets.</jats:p>
Journal
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- Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence
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Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence 3634-3640, 2018-07
International Joint Conferences on Artificial Intelligence Organization
