MMCoQA: Conversational Question Answering over Text, Tables, and Images Yongqi Li author Wenjie Li author Liqiang Nie author 2022-05 text Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Smaranda Muresan editor Preslav Nakov editor Aline Villavicencio editor Association for Computational Linguistics Dublin, Ireland conference publication li-etal-2022-mmcoqa 10.18653/v1/2022.acl-long.290 https://aclanthology.org/2022.acl-long.290/ 2022-05 4220 4231