Causal Document-Grounded Dialogue Pre-training Yingxiu Zhao author Bowen Yu author Bowen Li author Haiyang Yu author Jinyang Li author Chao Wang author Fei Huang author Yongbin Li author Nevin Zhang author 2023-12 text Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing Houda Bouamor editor Juan Pino editor Kalika Bali editor Association for Computational Linguistics Singapore conference publication zhao-etal-2023-causal 10.18653/v1/2023.emnlp-main.443 https://aclanthology.org/2023.emnlp-main.443/ 2023-12 7160 7174