@inproceedings{hassan-etal-2026-private, title = "Private Evaluation Protocol: Contamination-Resistant Black-Box Evaluation via Public-Slice Surrogates", author = "Hassan, Md. Mahadi and Rahaman, Sazzadur and Uddin, Yusuf Sarwar and Karmaker, Santu", editor = "Zhang, Yue and Xu, Ruifeng and Purwarianti, Ayu and Rong, Tong and Suzuki, Jun", booktitle = "Proceedings of the 15th International Joint Conference on Natural Language Processing and the 5th Conference of the {A}sia-Pacific Chapter of the {A}ssociation for {C}omputational {L}inguistics (Volume 1: Long Papers)", month = nov, year = "2026", address = "Hengqin, China", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.aacl-long.168/", pages = "3726--3749", ISBN = "979-8-89176-439-2" }