@inproceedings{zhang-etal-2026-qo,
    title = "{QO}-Bench: Diagnosing Query-Operator-Preserving Retrieval over Typed Event Tuples",
    author = "Zhang, Mengao  and
      Yang, Xiang  and
      Chang, Liu  and
      Tianhui, Tan  and
      Huang, Ke-Wei",
    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.1653/",
    pages = "35211--35229",
    ISBN = "979-8-89176-462-0"
}