@inproceedings{li-etal-2026-par2,
    title = "{PAR}$^2$-{RAG}: Planned Active Retrieval and Reasoning for Multi-Hop Question Answering",
    author = "Li, Xingyu  and
      Wang, Rongguang  and
      Wang, Yuying  and
      Guo, Mengqing  and
      Li, Chenyang  and
      Sheng, Tao  and
      Ravi, Sujith  and
      Roth, Dan",
    editor = "Li, Yunyao  and
      Rehm, Georg  and
      Tu, Mei",
    booktitle = "Proceedings of the 64th Annual Meeting of the {A}ssociation for {C}omputational {L}inguistics ({ACL} 2026)",
    month = jul,
    year = "2026",
    address = "San Diego, California, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-acl/2026.acl-industry.118/",
    pages = "1727--1737",
    ISBN = "979-8-89176-394-4"
}