GEnSHIN: Graphical Enhanced Spatio-temporal Hierarchical Inference Network for Traffic Flow Prediction

• URL: http://arxiv.org/abs/2601.04550v1
• Date: Thu, 08 Jan 2026 03:27:10 GMT
• Title: GEnSHIN: Graphical Enhanced Spatio-temporal Hierarchical Inference Network for Traffic Flow Prediction
• Authors: Zhiyan Zhou, Junjie Liao, Manho Zhang, Yingyi Liao, Ziai Wang,
• Abstract summary: This paper proposes a Graph Enhanced S-temporal Hierarchical Inference Network (GEnSHIN) to handle the complex-temporal dependencies in traffic flow prediction.<n>Experiments on the public dataset METR-LA show that GEnSHIN surpasses the performance of comparative models across multiple metrics.
• Score: 0.7605656525323705
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: With the acceleration of urbanization, intelligent transportation systems have an increasing demand for accurate traffic flow prediction. This paper proposes a novel Graph Enhanced Spatio-temporal Hierarchical Inference Network (GEnSHIN) to handle the complex spatio-temporal dependencies in traffic flow prediction. The model integrates three innovative designs: 1) An attention-enhanced Graph Convolutional Recurrent Unit (GCRU), which strengthens the modeling capability for long-term temporal dependencies by introducing Transformer modules; 2) An asymmetric dual-embedding graph generation mechanism, which leverages the real road network and data-driven latent asymmetric topology to generate graph structures that better fit the characteristics of actual traffic flow; 3) A dynamic memory bank module, which utilizes learnable traffic pattern prototypes to provide personalized traffic pattern representations for each sensor node, and introduces a lightweight graph updater during the decoding phase to adapt to dynamic changes in road network states. Extensive experiments on the public dataset METR-LA show that GEnSHIN achieves or surpasses the performance of comparative models across multiple metrics such as Mean Absolute Error (MAE), Root Mean Square Error (RMSE), and Mean Absolute Percentage Error (MAPE). Notably, the model demonstrates excellent prediction stability during peak morning and evening traffic hours. Ablation experiments further validate the effectiveness of each core module and its contribution to the final performance.

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