Joint Extraction of Entities and Relations Based on a Novel Tagging Scheme Suncong Zheng author Feng Wang author Hongyun Bao author Yuexing Hao author Peng Zhou author Bo Xu author 2017-07 text Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Regina Barzilay editor Min-Yen Kan editor Association for Computational Linguistics Vancouver, Canada conference publication zheng-etal-2017-joint 10.18653/v1/P17-1113 https://aclanthology.org/P17-1113/ 2017-07 1227 1236