@inproceedings{peng-etal-2026-codiq,
    title = "{C}o{D}i{Q}: Test-Time Scaling for Controllable Difficult Question Generation",
    author = "Peng, Zhongyuan  and
      Xu, Caijun  and
      Xiao, Changyi  and
      Hong, Shibo  and
      Zhang, Ge  and
      Huang, Wenhao  and
      Cao, Yixin",
    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.219/",
    pages = "5037--5072",
    ISBN = "979-8-89176-459-0"
}