@inproceedings{xiang-etal-2026-thinking,
    title = "When Is Thinking Enough? Early Exit via Sufficiency Assessment for Efficient Reasoning",
    author = "Xiang, Yang  and
      Ji, Yixin  and
      Xu, Ruotao  and
      Qiao, Dan  and
      Yang, Zheming  and
      Li, Juntao  and
      Zhang, Min",
    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.1080/",
    pages = "23541--23556",
    ISBN = "979-8-89176-390-6"
}