@inproceedings{ai-etal-2026-shape,
    title = "{SHAPE}: Stage-aware Hierarchical Advantage via Potential Estimation for {LLM} Reasoning",
    author = "Ai, Zhengyang  and
      Shan, Zikang  and
      Ai, Xiaodong  and
      Tang, Jingxian  and
      Hu, Hangkai  and
      Lu, Pinyan",
    editor = "Liakata, Maria  and
      Moreira, Viviane P.  and
      Zhang, Jiajun  and
      Jurgens, David",
    booktitle = "Proceedings of the 64th Annual Meeting of the {A}ssociation for {C}omputational {L}inguistics (Volume 1: Long Papers)",
    month = jul,
    year = "2026",
    address = "San Diego, California, United States",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2026.acl-long.1114/",
    doi = "10.18653/v1/2026.acl-long.1114",
    pages = "24288--24305",
    ISBN = "979-8-89176-390-6"
}