Conformalizing Machine Translation Evaluation Chrysoula Zerva author André F T Martins author 2024 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal zerva-martins-2024-conformalizing 10.1162/tacl_a_00711 https://aclanthology.org/2024.tacl-1.80/ 2024 12 1460 1478