HalOmi: A Manually Annotated Benchmark for Multilingual Hallucination and Omission Detection in Machine Translation David Dale author Elena Voita author Janice Lam author Prangthip Hansanti author Christophe Ropers author Elahe Kalbassi author Cynthia Gao author Loïc Barrault author Marta R Costa-jussà author 2023-12 text Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing Houda Bouamor editor Juan Pino editor Kalika Bali editor Association for Computational Linguistics Singapore conference publication dale-etal-2023-halomi 10.18653/v1/2023.emnlp-main.42 https://aclanthology.org/2023.emnlp-main.42/ 2023-12 638 653