@article{pebsperraterempiricalbayesshrinkageforrl,
  title = {PEBS: Per-rater Empirical-Bayes Shrinkage for RLHF Reward-Model Calibration},
  author = {Arnav Raj},
  year = {2026},
  eprint = {2606.27578},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.27578},
}