Is Factuality Enhancement a Free Lunch For LLMs? Better Factuality Can Lead to Worse Context-Faithfulness - Bi, Baolong; Liu, Shenghua; Wang, Yiwei; Mei, Lingrui; Fang, Junfeng; Gao, Hongcheng; Ni, Shiyu; Cheng, Xueqi (International Conference on Learning Representations, 2025)