@article{efficientprocessrewardmodeltrainingvia,
  title = {Efficient Process Reward Model Training via Active Learning},
  author = {Keyu Duan and Zichen Liu and Xin Mao and Tianyu Pang and Changyu Chen and Qiguang Chen and Michael Qizhe Shieh and Longxu Dou},
  year = {2025},
  eprint = {2504.10559},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2504.10559v1},
}