Coupled Hierarchical Transformer for Stance-Aware Rumor Verification in Social Media Conversations Jianfei Yu author Jing Jiang author Ling Min Serena Khoo author Hai Leong Chieu author Rui Xia author 2020-11 text Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Bonnie Webber editor Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication yu-etal-2020-coupled 10.18653/v1/2020.emnlp-main.108 https://aclanthology.org/2020.emnlp-main.108/ 2020-11 1392 1401