@inproceedings{zhang-etal-2026-adaptive,
    title = "Adaptive Prompt Optimization for Open-Ended Tasks: Uncertainty Preference as a Secondary Signal",
    author = "Zhang, Shuyang  and
      Liu, Zhixuan  and
      Dong, Zhichen  and
      Zhang, Hao  and
      Lu, Chaochao  and
      Yang, Chao",
    editor = "Liakata, Maria  and
      Moreira, Viviane P.  and
      Zhang, Jiajun  and
      Jurgens, David",
    booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {ACL} 2026",
    month = jul,
    year = "2026",
    address = "San Diego, California, United States",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-acl/2026.findings-acl.1692/",
    pages = "33883--33891",
    ISBN = "979-8-89176-395-1"
}