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Title	A Spatio-Temporal Graph Neural Network Approach For Traffic Flow Prediction
ID_Doc	4879
Authors	Li Y.; Zhao W.; Fan H.
Year	2022
Published	Mathematics, 10, 10
DOI	http://dx.doi.org/10.3390/math10101754
Abstract	The accuracy of short-term traffic flow prediction is one of the important issues in the construction of smart cities, and it is an effective way to solve the problem of traffic congestion. Most previous studies could not effectively mine the potential relationship between the temporal and spatial dimensions of traffic data flow. Due to the large variability in the traffic flow data of road conditions, we analyzed it with “dynamic”, using a dynamic-aware graph neural network model for the hidden relationships between space-time in the deep learning segment. In this paper, we propose a dynamic perceptual graph neural network model for the temporal and spatial hidden relationships of deep learning segments. This model mixes temporal features and spatial features with graphs and expresses them. The temporal features and spatial features are connected to each other to learn potential relationships, so as to more accurately predict the traffic speed in the future time period, we performed experiments on real data sets and compared with some baseline models. The experiments show that the method proposed in this paper has certain advantages. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.
Author Keywords	deep learning; forecasting; graph neural network; traffic flow

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