@inproceedings{xiao-etal-2026-routerhgc,
    title = "{R}outer{HGC}: Optimized Router for {LLM}-based Multi-Agent Systems via Heterogeneous Graph Contrastive Learning",
    author = "Xiao, Yitao  and
      Guo, Shaoyong  and
      Yang, Guoming  and
      Wang, Qingnan  and
      Ren, Yinlin  and
      Qiu, Xuesong  and
      Feng, Qi",
    editor = "Liakata, Maria  and
      Moreira, Viviane P.  and
      Zhang, Jiajun  and
      Jurgens, David",
    booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {ACL} 2026",
    month = jul,
    year = "2026",
    address = "San Diego, California, United States",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-acl/2026.findings-acl.1589/",
    pages = "31759--31789",
    ISBN = "979-8-89176-395-1"
}