Ranking and Sampling in Open-Domain Question Answering. - Yanfu Xu; Zheng Lin 001; Yuanxin Liu; Rui Liu 032; Weiping Wang 005; Dan Meng 002 (EMNLP/IJCNLP (1), 2019)

Multi-perspective Denoising Reader for Multi-paragraph Reading Comprehension. - Fengcheng Yuan; Yanfu Xu; Zheng Lin 001; Weiping Wang 005; Gang Shi (ICONIP (3), 2019)