@inproceedings{lu-etal-2026-knowing,
    title = "Knowing When to Speak: Aligning {LLM} Honesty via Solvability-Aware Preference Optimization",
    author = "Lu, Wenpeng  and
      Zhao, Xueguan  and
      Lin, Shuxia  and
      Zhang, Linhai  and
      Zheng, Chaoqun  and
      Zhang, Weiyu  and
      Si, Jiasheng",
    editor = "Lee, Hung-Yi  and
      Dev, Sunipa  and
      Li, Jessy  and
      Elliott, Desmond",
    booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {EMNLP} 2026",
    month = oct,
    year = "2026",
    address = "Budapest, Hungary",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2026.findings-emnlp.2451/",
    doi = "10.18653/2026.findings-emnlp.2451",
    pages = "52609--52626",
    ISBN = "979-8-89176-462-0"
}