MAD-X: An Adapter-Based Framework for Multi-Task Cross-Lingual Transfer Jonas Pfeiffer author Ivan Vulić author Iryna Gurevych author Sebastian Ruder 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 pfeiffer-etal-2020-mad 10.18653/v1/2020.emnlp-main.617 https://aclanthology.org/2020.emnlp-main.617/ 2020-11 7654 7673