VECO: Variable and Flexible Cross-lingual Pre-training for Language Understanding and Generation Fuli Luo author Wei Wang author Jiahao Liu author Yijia Liu author Bin Bi author Songfang Huang author Fei Huang author Luo Si author 2021-08 text Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication luo-etal-2021-veco 10.18653/v1/2021.acl-long.308 https://aclanthology.org/2021.acl-long.308/ 2021-08 3980 3994