@inproceedings{christopoulou-etal-2025-sparsepo,
    title = "{S}parse{PO}: Controlling Preference Alignment of {LLM}s via Sparse Token Masks",
    author = "Christopoulou, Fenia  and
      Cardenas, Ronald  and
      Lampouras, Gerasimos  and
      Bou Ammar, Haitham  and
      Wang, Jun",
    editor = "Christodoulopoulos, Christos  and
      Chakraborty, Tanmoy  and
      Rose, Carolyn  and
      Peng, Violet",
    booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2025",
    month = nov,
    year = "2025",
    address = "Suzhou, China",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2025.findings-emnlp.1389/",
    pages = "25477--25503",
    ISBN = "979-8-89176-335-7"
}