@inproceedings{fang-sun-2026-adatir,
    title = "{A}da{TIR}: Adaptive Tool-Integrated Reasoning via Difficulty-Aware Policy Optimization",
    author = "Fang, Zhaiyu  and
      Sun, Ruipeng",
    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.567/",
    pages = "11945--11961",
    ISBN = "979-8-89176-462-0"
}