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most citedTowards Transparent RAG: Fostering Evidence Traceability in LLM Generation via Reinforcement Learning

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cs.CL2026

Beyond "I Don't Know": Evaluating LLM Self-Awareness in Discriminating Data and Model Uncertainty

Jingyi Ren, Ante Wang, Yunghwei Lai +5

Reliable Large Language Models (LLMs) should abstain when confidence is insufficient. However, prior studies often treat refusal as a generic "I don't know'', failing to distinguis…