Negative Focus Detection via Contextual Attention Mechanism Longxiang Shen author Bowei Zou author Yu Hong author Guodong Zhou author Qiaoming Zhu author AiTi Aw author 2019-11 text Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP) Kentaro Inui editor Jing Jiang editor Vincent Ng editor Xiaojun Wan editor Association for Computational Linguistics Hong Kong, China conference publication shen-etal-2019-negative 10.18653/v1/D19-1230 https://aclanthology.org/D19-1230/ 2019-11 2251 2261