@inproceedings{chen-etal-2026-hag,
    title = "{HAG}: Hierarchical Demographic Tree-based Agent Generation for Topic-Adaptive Simulation",
    author = "Chen, Rongxin  and
      Wu, Tianyu  and
      Xu, Bingbing  and
      Luo, JiaTang  and
      Xu, Xiucheng  and
      Shen, Huawei",
    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.1187/",
    pages = "25890--25906",
    ISBN = "979-8-89176-390-6"
}