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News/Evi-VN: Hard Region Guided Virtual Node Evidence Injection for GNN-Based Fraud Detection
arxiv
PublishedOctober 9, 2026 at 4:00 AM

Evi-VN: Hard Region Guided Virtual Node Evidence Injection for GNN-Based Fraud Detection

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arXiv:2610.11665v1 Announce Type: new Abstract: Online platforms contain growing numbers of bots, deceptive reviewers, and scam accounts that imitate legitimate users. Such camouflage blurs graph neighborhoods and behavioral attributes, making it difficult for graph neural networks (GNNs) to disting

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