@article{basecalunsupervisedconfidencecalibration,
  title = {BaseCal: Unsupervised Confidence Calibration via Base Model Signals},
  author = {Hexiang Tan and Wanli Yang and Junwei Zhang and Xin Chen and Rui Tang and Du Su and Jingang Wang and Yuanzhuo Wang and Fei Sun and Xueqi Cheng},
  year = {2026},
  eprint = {2601.03042},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.03042},
}