@inproceedings{lin-etal-2026-taxoagent,
    title = "{T}axo{A}gent: Utility-Aligned Policy Optimization for Hierarchical Semantic Classification",
    author = "Lin, Zhiming  and
      Zhong, Yihao  and
      Hou, Liwei  and
      Hu, Saisai  and
      He, ShaoYan  and
      Rongru, Chen  and
      Yang, Xuan  and
      Liu, Siyue",
    editor = "Lee, Hung-Yi  and
      Dev, Sunipa  and
      Li, Jessy  and
      Elliott, Desmond",
    booktitle = "Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing",
    month = oct,
    year = "2026",
    address = "Budapest, Hungary",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2026.emnlp-main.1006/",
    pages = "23149--23171",
    ISBN = "979-8-89176-459-0"
}