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arXiv 2103.08647cs.CL
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约耳巴语-英语神经机器翻译中的域和变音符效应

The Effect of Domain and Diacritics in Yorùbá-English Neural Machine Translation

Saarland University(萨尔大学);Masakhane NLP(Masakhane自然语言处理团队);Max Planck Institute for Informatics(马克斯·普朗克信息学研究所);Alamoja Yoruba(阿拉莫贾约鲁巴组织);Yobamoodua Cultural Heritage (YMCH)(约巴穆杜阿文化遗产(YMCH));Defence Space Administration(国防太空管理局);University of Ibadan(伊巴丹大学);DFKI GmbH(德国人工智能研究中心(DFKI))

David I. Adelani, Dana Ruiter, Jesujoba O. Alabi, Damilola Adebonojo, Adesina Ayeni, Mofe Adeyemi, Ayodele Awokoya, Cristina España-Bonet

摘要:

大规模多语言机器翻译(MT)已经显示出令人印象深刻的能力,包括低资源语言对之间的零和Few-Shot翻译。然而,这些模型通常在高资源语言上进行评估,并假设它们可以推广到低资源语言。在低资源对上评估MT模型的困难通常是由于缺乏标准化的评估数据集。在本文中,我们提出了MENYO-20k,第一个多域并行语料库,特别关注Yorkebá-英语的干净正字法,并使用标准化的训练测试分割进行基准测试。我们提供了几个神经MT基准测试,并将它们与流行的预训练(大规模多语言)MT模型在异构测试集及其子域中的性能进行了比较。由于这些预先训练的模型使用了大量质量不确定的数据,我们还分析了训练数据中的变音符号的影响,这是Yorkebá的一个主要特征。我们调查如何以及何时这种训练条件影响翻译的最终质量和可理解性。我们的模型在翻译为Yorkebá时优于Google($+8.7$ BLEU)和Facebook M2M($+9.1$ BLEU)等大规模多语言模型,为未来的研究建立了高质量的基准。

英文摘要:

Massively multilingual machine translation (MT) has shown impressive capabilities, including zero and few-shot translation between low-resource language pairs. However, these models are often evaluated on high-resource languages with the assumption that they generalize to low-resource ones. The difficulty of evaluating MT models on low-resource pairs is often due to lack of standardized evaluation datasets. In this paper, we present MENYO-20k, the first multi-domain parallel corpus with a special focus on clean orthography for Yorùbá--English with standardized train-test splits for benchmarking. We provide several neural MT benchmarks and compare them to the performance of popular pre-trained (massively multilingual) MT models both for the heterogeneous test set and its subdomains. Since these pre-trained models use huge amounts of data with uncertain quality, we also analyze the effect of diacritics, a major characteristic of Yorùbá, in the training data. We investigate how and when this training condition affects the final quality and intelligibility of a translation. Our models outperform massively multilingual models such as Google ($+8.7$ BLEU) and Facebook M2M ($+9.1$ BLEU) when translating to Yorùbá, setting a high quality benchmark for future research.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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