A Compare Aggregate Transformer for Understanding Document-grounded Dialogue Longxuan Ma author Wei-Nan Zhang author Runxin Sun author Ting Liu author 2020-11 text Findings of the Association for Computational Linguistics: EMNLP 2020 Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication ma-etal-2020-compare 10.18653/v1/2020.findings-emnlp.122 https://aclanthology.org/2020.findings-emnlp.122/ 2020-11 1358 1367