Towards Causal Explanation Detection with Pyramid Salient-Aware Network Xinyu Zuo author Yubo Chen author Kang Liu author Jun Zhao 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 zuo-etal-2020-towards https://aclanthology.org/2020.ccl-1.84/ 2020-10 903 914