DebiasRAG: A Tuning-Free Path to Fair Generation in Large Language Models through Retrieval-Augmented Generation. - Rui Chu; Bingyin Zhao; Thanh Quoc Hung Le; Duy C. Hoang; Huawei Lin 001; Ping Li 001; Weijie Zhao 001; Khoa D. Doan; Yingjie Lao (CoRR, 2026)