%0 Conference Proceedings %T Language Tags Matter for Zero-Shot Neural Machine Translation %A Wu, Liwei %A Cheng, Shanbo %A Wang, Mingxuan %A Li, Lei %Y Zong, Chengqing %Y Xia, Fei %Y Li, Wenjie %Y Navigli, Roberto %S Findings of the Association for Computational Linguistics: ACL-IJCNLP 2021 %D 2021 %8 August %I Association for Computational Linguistics %C Online %F wu-etal-2021-language %R 10.18653/v1/2021.findings-acl.264 %U https://aclanthology.org/2021.findings-acl.264 %U https://doi.org/10.18653/v1/2021.findings-acl.264 %P 3001-3007