DP-perturbed GNN explanations leak graph structure, enabling reconstruction via reverse diffusion with AUC above 0.7 at epsilon=5 on five of seven benchmarks.
The average distances in random graphs with given expected degrees.Proceedings of the National Academy of Sciences, 99(25):15879–15882
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Graph Reconstruction from Differentially Private GNN Explanations
DP-perturbed GNN explanations leak graph structure, enabling reconstruction via reverse diffusion with AUC above 0.7 at epsilon=5 on five of seven benchmarks.