@inproceedings{zhang-etal-2026-s2o,
    title = "{S}2{O}: Early Stopping for Sparse Attention via Online Permutation",
    author = "Zhang, Yu  and
      Liu, Songwei  and
      Yan, Chenqian  and
      Linsheng  and
      Ning, Beichen  and
      Chen, Fangmin  and
      Wang, Xing",
    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.351/",
    pages = "7737--7751",
    ISBN = "979-8-89176-390-6"
}