Accelerating Inference of Retrieval-Augmented Generation via Sparse Context Selection - Zhu, Yun; Gu, Jia-Chen; Sikora, Caitlin; Ko, Ho; Liu, Yinxiao; Lin, Chu-Cheng; Shu, Lei; Luo, Liangchen; Meng, Lei; Liu, Bang; Chen, Jindong (International Conference on Learning Representations, 2025)