@inproceedings{lu-etal-2026-ui,
    title = "{UI}-Copilot: Advancing Long-Horizon {GUI} Automation via Tool-Integrated Policy Optimization",
    author = "Lu, Zhengxi  and
      Tang, Fei  and
      Liu, Guangyi  and
      Ma, Jin  and
      Song, Kaitao  and
      Tan, Xu  and
      Zhang, Wenqi  and
      Lu, Weiming  and
      Xiao, Jun  and
      Zhuang, Yueting  and
      Shen, Yongliang",
    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://preview.aclanthology.org/ingest-acl/2026.acl-long.904/",
    pages = "19741--19762",
    ISBN = "979-8-89176-390-6"
}