@article{promptlevelrewardspecificationsforopenen,
  title = {Prompt-Level Reward Specifications for Open-Ended Post-Training},
  author = {Zijun Weng and Xiaohui Hu and Shuangyong Song and Yongxiang Li and Kaidong Yu and Xuanjing Huang},
  year = {2026},
  eprint = {2605.29275},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.29275},
}