@inproceedings{zhang-etal-2026-geochallenge,
    title = "{G}eo{C}hallenge-90{K}: A Multi-Answer Multiple-Choice Benchmark for Diagram-Grounded Geometric Reasoning",
    author = "Zhang, Yushun  and
      Fu, Weiping  and
      Yang, Zesheng  and
      Zhao, Bo  and
      Zhang, Lingling  and
      Zhang, Jian  and
      Fu, Yumeng  and
      Huang, Jiaxing  and
      Liu, Jun",
    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.2583/",
    pages = "58710--58730",
    ISBN = "979-8-89176-459-0"
}