Multi-step Entity-centric Information Retrieval for Multi-Hop Question Answering Rajarshi Das author Ameya Godbole author Dilip Kavarthapu author Zhiyu Gong author Abhishek Singhal author Mo Yu author Xiaoxiao Guo author Tian Gao author Hamed Zamani author Manzil Zaheer author Andrew McCallum author 2019-11 text Proceedings of the 2nd Workshop on Machine Reading for Question Answering Adam Fisch editor Alon Talmor editor Robin Jia editor Minjoon Seo editor Eunsol Choi editor Danqi Chen editor Association for Computational Linguistics Hong Kong, China conference publication das-etal-2019-multi 10.18653/v1/D19-5816 https://aclanthology.org/D19-5816/ 2019-11 113 118