Projects

Knowledge Boundaries & Uncertainty

Fei Sun & collaborators

Eight studies on making LLM knowledge accessible, confidence informative, and knowledge use reliable—from factual recall and self-consistent errors to RAG and controllable abstention.

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Model Editing

Wanli Yang, Fei Sun

From diagnosing model collapse to reliable, scalable knowledge updates. Four studies on model editing, 2024–2026.

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