Jinjie Gu
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126
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2026
Bridging the Detection-to-Abstention Gap in Reasoning Models under Insufficient Information
The paper addresses the 'detection-to-abstention gap' in reasoning models, where detecting insufficient information does not lead to abstention, by proposing a novel control framework that forces models to commit to an answerability judgment before solving.
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Papers
cs.AIRecentMay 27, 2026
Bridging the Detection-to-Abstention Gap in Reasoning Models under Insufficient Information
Renjie Gu, Jiaxu Li, Yihao Wang, Yun Yue +7 more
The paper addresses the 'detection-to-abstention gap' in reasoning models, where detecting insufficient information does not lead to abstention, by proposing a novel control framework that forces mode…
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