Proposes MC-GRA attack and MC-GPB defense for graph reconstruction from GNNs via Markov chain approximation of topology-dependent representations, showing improved attack fidelity and reduced leakage with minor accuracy cost.
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Beyond Homophily: Towards Generalized Graph Reconstruction Attack and Defense
Proposes MC-GRA attack and MC-GPB defense for graph reconstruction from GNNs via Markov chain approximation of topology-dependent representations, showing improved attack fidelity and reduced leakage with minor accuracy cost.