@inproceedings{ta-etal-2026-faid, title = "{FAID}: Fine-grained {AI}-generated Text Detection using Multi-task Auxiliary and Multi-level Contrastive Learning", author = "Ta, Minh Ngoc and Van, Dong Cao and Hoang, Duc-Anh and Le-Anh, Minh and Nguyen, Truong and Nguyen, My Anh Tran and Wang, Yuxia and Nakov, Preslav and Sang, Dinh Viet", editor = "Demberg, Vera and Inui, Kentaro and Marquez, Llu{\'i}s", booktitle = "Proceedings of the 19th Conference of the {E}uropean Chapter of the {A}ssociation for {C}omputational {L}inguistics (Volume 1: Long Papers)", month = mar, year = "2026", address = "Rabat, Morocco", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest-eacl/2026.eacl-long.151/", pages = "3275--3296", ISBN = "979-8-89176-380-7" }