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Title	Dynamic Graph Convolution-Based Spatio-Temporal Feature Network For Urban Water Demand Forecasting
ID_Doc	21282
Authors	Jia Z.; Li H.; Yan J.; Sun J.; Han C.; Qu J.
Year	2023
Published	Applied Sciences (Switzerland), 13, 18
DOI	http://dx.doi.org/10.3390/app131810014
Abstract	Urban water demand forecasting is the key component of smart water, which plays an important role in building a smart city. Although various methods have been proposed to improve forecast accuracy, most of these methods lack the ability to model spatio-temporal correlations. When dealing with the rich water demand monitoring data currently, it is difficult to achieve the desired prediction results. To address this issue from the perspective of improving the ability to extract temporal and spatial features, we propose a dynamic graph convolution-based spatio-temporal feature network (DG-STFN) model. Our model contains two major components, one is the dynamic graph generation module, which builds the dynamic graph structure based on the attention mechanism, and the other is the spatio-temporal feature block, which extracts the spatial and temporal features through graph convolution and conventional convolution. Based on the Shenzhen urban water supply dataset, five models SARIMAX, LSTM, STGCN, DCRNN, and ASTGCN are used to compare with DG-STFN proposed. The results show that DG-STFN outperforms the other models. © 2023 by the authors.
Author Keywords	GCN; self-attention; smart water; urban water demand forecasting

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