SENT: Sentence-level Distant Relation Extraction via Negative Training Ruotian Ma author Tao Gui author Linyang Li author Qi Zhang author Xuanjing Huang author Yaqian Zhou author 2021-08 text Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication ma-etal-2021-sent 10.18653/v1/2021.acl-long.484 https://aclanthology.org/2021.acl-long.484/ 2021-08 6201 6213