@inproceedings{oh-etal-2026-hyperspherical,
    title = "Hyperspherical Semantic Expansion via von {M}ises{--}Fisher Mixtures for Zero-Shot Dense Retrieval",
    author = "Oh, Sehong  and
      Kim, DongHui  and
      Kwon, Junseok",
    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.175/",
    pages = "4013--4026",
    ISBN = "979-8-89176-459-0"
}