@inproceedings{kawabata-sugawara-2026-c2, title = "C2: Scalable Rubric-Augmented Reward Modeling from Binary Preferences", author = "Kawabata, Akira and Sugawara, Saku", editor = "Liakata, Maria and Moreira, Viviane P. and Zhang, Jiajun and Jurgens, David", booktitle = "Proceedings of the 64th Annual Meeting of the {A}ssociation for {C}omputational {L}inguistics (Volume 1: Long Papers)", month = jul, year = "2026", address = "San Diego, California, United States", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest-acl/2026.acl-long.523/", pages = "11397--11424", ISBN = "979-8-89176-390-6" }