Entity-Relation Extraction as Multi-Turn Question Answering Xiaoya Li author Fan Yin author Zijun Sun author Xiayu Li author Arianna Yuan author Duo Chai author Mingxin Zhou author Jiwei Li 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 li-etal-2019-entity 10.18653/v1/P19-1129 https://aclanthology.org/P19-1129/ 2019-07 1340 1350