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.
Ioannidis, Zheng, and G
2 Pith papers cite this work, alongside 32 external citations. Polarity classification is still indexing.
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A new schema-validated biomedical knowledge graph with rich properties and provenance, plus an LLM-agent validation showing 70% of sampled edges have literature support.
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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.
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Unifying biomedical knowledge in a modern multimodal graph
A new schema-validated biomedical knowledge graph with rich properties and provenance, plus an LLM-agent validation showing 70% of sampled edges have literature support.