Hyper-GST: Predict Metro Passenger Flow Incorporating GraphSAGE, Hypergraph, Social-meaningful Edge Weights and Temporal Exploitation

• URL: http://arxiv.org/abs/2211.04988v1
• Date: Wed, 9 Nov 2022 16:04:45 GMT
• Title: Hyper-GST: Predict Metro Passenger Flow Incorporating GraphSAGE, Hypergraph, Social-meaningful Edge Weights and Temporal Exploitation
• Authors: Yuyang Miao, Yao Xu, Danilo Mandic
• Abstract summary: Graph-based deep learning algorithms could utilise the graph structure but raise a few challenges. This study proposes a model based on GraphSAGE with an edge weights learner applied. Hypergraph and temporal exploitation modules are also constructed as add-ons for better performance.
• Score: 4.698632626407558
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Predicting metro passenger flow precisely is of great importance for dynamic traffic planning. Deep learning algorithms have been widely applied due to their robust performance in modelling non-linear systems. However, traditional deep learning algorithms completely discard the inherent graph structure within the metro system. Graph-based deep learning algorithms could utilise the graph structure but raise a few challenges, such as how to determine the weights of the edges and the shallow receptive field caused by the over-smoothing issue. To further improve these challenges, this study proposes a model based on GraphSAGE with an edge weights learner applied. The edge weights learner utilises socially meaningful features to generate edge weights. Hypergraph and temporal exploitation modules are also constructed as add-ons for better performance. A comparison study is conducted on the proposed algorithm and other state-of-art graph neural networks, where the proposed algorithm could improve the performance.

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