@inproceedings{tao-etal-2026-tagrag, title = "{T}ag{RAG}: Tag-guided Hierarchical Knowledge Graph Retrieval-Augmented Generation", author = "Tao, Wenbiao and Li, Xinyuan and Lan, Yunshi and Qian, Weining", 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.321/", pages = "6434--6456", ISBN = "979-8-89176-395-1" }