Negative Advantage Is a Double-Edged Sword: Calibrating advantages in GRPO for Search Agents

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@article{jiayi2026,
  title = {Negative Advantage Is a Double-Edged Sword: Calibrating advantages in GRPO for Search Agents},
  author = {Wu, Jiayi and Xie, Ruobing and Huang, Zeqian and Jiang, Lei and Xu, Can and Luo, Kangyang and Lin, Bochen and Gao, Ming and Li, Xiang},
  journal = {Findings of the Association for Computational Linguistics: EMNLP 2026},
  year = {2026},
  month = {Jan},
  doi = {10.18653/2026.findings-emnlp.1874},
  url = {https://doi.org/10.18653/2026.findings-emnlp.1874},
}