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Graph convolutional dynamic recurrent network with attention for traffic forecasting

Graph convolutional dynamic recurrent network with attention for traffic forecasting Traffic forecasting is a typical spatio-temporal graph modeling problem, which has become one of the key technical issues in modern intelligent transportation systems. However, existing methods cannot capture the long-range spatial and temporal characteristics very well because of the complexity and heterogeneity of the traffic flows. In this paper, a new deep learning framework called Graph Convolutional Dynamic Recurrent Network with Attention (GCDRNA) is proposed to predict the traffic state in the traffic network. GCDRNA mainly consists of two components, which are Graph Convolutional with Attention (GCA) block and Dynamic GRU with Attention (DGRUA) block. GCA block can capture both global and local spatial correlations of the traffic flows by k-hop GC, similarity GC and spatial attention modules. DGRUA block captures the long-term temporal correlation of the traffic flows by Dynamic GRU (DGRU) and Node Attention Unit (NAU) modules. Experimental results show that GCDRNA achieves the best prediction performance compared with other baseline models on two public real-world traffic datasets. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Intelligence Springer Journals

Graph convolutional dynamic recurrent network with attention for traffic forecasting

Applied Intelligence , Volume 53 (19) – Oct 1, 2023

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References (25)

Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
ISSN
0924-669X
eISSN
1573-7497
DOI
10.1007/s10489-023-04621-5
Publisher site
See Article on Publisher Site

Abstract

Traffic forecasting is a typical spatio-temporal graph modeling problem, which has become one of the key technical issues in modern intelligent transportation systems. However, existing methods cannot capture the long-range spatial and temporal characteristics very well because of the complexity and heterogeneity of the traffic flows. In this paper, a new deep learning framework called Graph Convolutional Dynamic Recurrent Network with Attention (GCDRNA) is proposed to predict the traffic state in the traffic network. GCDRNA mainly consists of two components, which are Graph Convolutional with Attention (GCA) block and Dynamic GRU with Attention (DGRUA) block. GCA block can capture both global and local spatial correlations of the traffic flows by k-hop GC, similarity GC and spatial attention modules. DGRUA block captures the long-term temporal correlation of the traffic flows by Dynamic GRU (DGRU) and Node Attention Unit (NAU) modules. Experimental results show that GCDRNA achieves the best prediction performance compared with other baseline models on two public real-world traffic datasets.

Journal

Applied IntelligenceSpringer Journals

Published: Oct 1, 2023

Keywords: Graph convolutional network; Dynamic gate recurrent unit; Attention mechanism; Traffic flow forecasting

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