AFRIDOC-MT: Document-level MT Corpus for African Languages

• URL: http://arxiv.org/abs/2501.06374v1
• Date: Fri, 10 Jan 2025 22:49:29 GMT
• Title: AFRIDOC-MT: Document-level MT Corpus for African Languages
• Authors: Jesujoba O. Alabi, Israel Abebe Azime, Miaoran Zhang, Cristina España-Bonet, Rachel Bawden, Dawei Zhu, David Ifeoluwa Adelani, Clement Oyeleke Odoje, Idris Akinade, Iffat Maab, Davis David, Shamsuddeen Hassan Muhammad, Neo Putini, David O. Ademuyiwa, Andrew Caines, Dietrich Klakow,
• Abstract summary: AFRIDOC-MT is a document-level multi-parallel translation dataset covering English and five African languages. The dataset comprises 334 health and 271 information technology news documents, all human-translated from English to these languages.
• Score: 24.871863004002616
• License:
• Abstract: This paper introduces AFRIDOC-MT, a document-level multi-parallel translation dataset covering English and five African languages: Amharic, Hausa, Swahili, Yor\`ub\'a, and Zulu. The dataset comprises 334 health and 271 information technology news documents, all human-translated from English to these languages. We conduct document-level translation benchmark experiments by evaluating neural machine translation (NMT) models and large language models (LLMs) for translations between English and these languages, at both the sentence and pseudo-document levels. These outputs are realigned to form complete documents for evaluation. Our results indicate that NLLB-200 achieved the best average performance among the standard NMT models, while GPT-4o outperformed general-purpose LLMs. Fine-tuning selected models led to substantial performance gains, but models trained on sentences struggled to generalize effectively to longer documents. Furthermore, our analysis reveals that some LLMs exhibit issues such as under-generation, repetition of words or phrases, and off-target translations, especially for African languages.

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