@inproceedings{ye-etal-2026-dont, title = "Don{'}t Peek at the Answer: Outcome-Masked Group Relative Policy Optimization for Label-Free {RLVR}", author = "Ye, Yongshi and Zhang, Liang and Chen, Yidong and Shi, Xiaodong and Fu, Biao", editor = "Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond", booktitle = "Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.emnlp-main.2547/", doi = "10.18653/2026.emnlp-main.2547", pages = "57905--57928", ISBN = "979-8-89176-459-0" }