Preserving edge directionality in GNN preprocessing can substantially improve post-hoc explanation quality compared to symmetrization.
Digraph inception convolutional networks.Advances in neural information processing systems, 33:17907–17918, 2020
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Ignoring Directionality Leads to Compromised Graph Neural Network Explanations
Preserving edge directionality in GNN preprocessing can substantially improve post-hoc explanation quality compared to symmetrization.