Efficiently Upgrading Multilingual Machine Translation Models to Support More Languages Simeng Sun author Maha Elbayad author Anna Sun author James Cross author 2023-05 text Proceedings of the 17th Conference of the European Chapter of the Association for Computational Linguistics Andreas Vlachos editor Isabelle Augenstein editor Association for Computational Linguistics Dubrovnik, Croatia conference publication sun-etal-2023-efficiently 10.18653/v1/2023.eacl-main.111 https://aclanthology.org/2023.eacl-main.111/ 2023-05 1513 1527