BaseCal: Unsupervised Confidence Calibration via Base Model Signals

Hexiang Tan, Wanli Yang, Junwei Zhang, Xin Chen, Rui Tang, Du Su, Jingang Wang, Yuanzhuo Wang, Fei Sun 0001, Xueqi Cheng. BaseCal: Unsupervised Confidence Calibration via Base Model Signals. In Maria Liakata, Viviane P. Moreira, Jiajun Zhang 0001, David Jurgens, editors, Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), ACL 2026, San Diego, California, United States, July 2-7, 2026. pages 5172-5187, Association for Computational Linguistics, 2026. [doi]

Authors

Hexiang Tan

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Wanli Yang

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Junwei Zhang

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Xin Chen

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Rui Tang

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Du Su

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Jingang Wang

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Yuanzhuo Wang

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Fei Sun 0001

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Xueqi Cheng

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