@inproceedings{wang-etal-2026-answer,
    title = "When No Answer Is Correct: Diagnosing Absent Answer Detection for {MLLM}s in Video Understanding",
    author = "Wang, Yiheng  and
      Lin, Yueqian  and
      Zhu, Lichen  and
      Liu, Yudong  and
      Li, Hai Helen  and
      Chen, Yiran",
    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.980/",
    pages = "22615--22625",
    ISBN = "979-8-89176-459-0"
}