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I am wondering if there are gnn explainable methods for a regression task (e.g., traffic forecasting) where nodes have numerical features and the predicted output is a numerical value. Most of research papers focus on node classification tasks (GNNexplainer etc) but do not specify if these techniques are fit for node-regression tasks.

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  • $\begingroup$ Please clarify your specific problem or provide additional details to highlight exactly what you need. As it's currently written, it's hard to tell exactly what you're asking. $\endgroup$
    – Community Bot
    Dec 6, 2022 at 20:42

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There are several GNN-based approaches for tasks like traffic speed prediction or railway delay prediction, which are doing time-series regression on nodes.

For example:

T-GCN: A Temporal Graph ConvolutionalNetwork for Traffic Prediction

Railway Delay Prediction with Spatial-Temporal Graph Convolutional Networks

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  • $\begingroup$ Thank you for your response, my question is actually for Explainable GNN frameworks for a temporal task like traffic forecasting such as GNNexplainer or GraphSVX. $\endgroup$
    – Achiles Br
    Jan 10, 2023 at 13:55

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