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Author

Chahana Dahal

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#machine learning Preprint Sep 2026

FoundAna: A GNN-assisted Foundation Model for Graph Anomaly Detection

FindAna is introduced, a GNN-assisted Foundation Model for Graph Anomaly Detection - the first foundation model framework designated for generalizable, cross-graph anomaly detection by combining GNNs and transformers.

Suprim Nakarmi, Chahana Dahal, Yue Zhao et al. · 0 citations

GONE: Structural Knowledge Unlearning via Neighborhood-Expanded Distribution Shaping

Graph Oblivion and Node Erasure (GONE), a benchmark for evaluating knowledge unlearning over structured knowledge graph (KG) facts in LLMs, enables the disentanglement of three effects of unlearning: direct fact removal, reasoning-based leakage, and catastrophic forgetting.

Chahana Dahal, A. Balasubramaniam, Zuo-Bin Xiong · 1 citation

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