Cognitive Graph for Multi-Hop Reading Comprehension at Scale Ming Ding author Chang Zhou author Qibin Chen author Hongxia Yang author Jie Tang author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication ding-etal-2019-cognitive 10.18653/v1/P19-1259 https://aclanthology.org/P19-1259/ 2019-07 2694 2703