@inproceedings{dongxian-etal-2026-mstree,
    title = "{MST}ree: Multi-Scale Evidence Tree for Training-Free Long-Form Video Question Answering",
    author = "Dongxian, Chen  and
      Liu, Mingshuai  and
      Peng, Yijie  and
      Liu, Hengrui  and
      Li, Xin",
    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.1949/",
    pages = "44321--44336",
    ISBN = "979-8-89176-459-0"
}