JDDC 2.1: A Multimodal Chinese Dialogue Dataset with Joint Tasks of Query Rewriting, Response Generation, Discourse Parsing, and Summarization Nan Zhao author Haoran Li author Youzheng Wu author Xiaodong He author 2022-12 text Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing Yoav Goldberg editor Zornitsa Kozareva editor Yue Zhang editor Association for Computational Linguistics Abu Dhabi, United Arab Emirates conference publication zhao-etal-2022-jddc 10.18653/v1/2022.emnlp-main.825 https://aclanthology.org/2022.emnlp-main.825/ 2022-12 12037 12051