@inproceedings{zhang-etal-2026-coprm,
    title = "{C}o{PRM}: A Collaborative Process Reward Model for Guiding Search Agent Reasoning",
    author = "Zhang, Xingquan  and
      Zhao, Yang  and
      Li, Chong  and
      Yu, Donglei  and
      Jian, Pu  and
      Zong, Chengqing",
    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.65/",
    pages = "1472--1504",
    ISBN = "979-8-89176-459-0"
}