Entity Relative Position Representation based Multi-head Selection for Joint Entity and Relation Extraction Tianyang Zhao author Zhao Yan author Yunbo Cao author Zhoujun Li author 2020-10 text eng Proceedings of the 19th Chinese National Conference on Computational Linguistics Maosong Sun editor Sujian Li editor Yue Zhang editor Yang Liu editor Chinese Information Processing Society of China Haikou, China conference publication zhao-etal-2020-entity https://aclanthology.org/2020.ccl-1.89/ 2020-10 962 973