Contrastive Attention Mechanism for Abstractive Sentence Summarization Xiangyu Duan author Hongfei Yu author Mingming Yin author Min Zhang author Weihua Luo author Yue Zhang 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 duan-etal-2019-contrastive 10.18653/v1/D19-1301 https://aclanthology.org/D19-1301/ 2019-11 3044 3053