Papers by Hitoshi Ito
Content-Equivalent Translated Parallel News Corpus and Extension of Domain Adaptation for NMT (2020.lrec-1)
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| Challenge: | Existing methods to train NMT systems with noisy data are not sufficient . a recent increase in foreigners visiting Japan has created a significant information gap . |
| Approach: | They propose a Japanese-English parallel news corpus that is content-equivalent . they extend a domain-adaptation method to train NMT models with clean corpus . |
| Outcome: | The proposed corpus improves translation quality and is more effective than existing methods. |
Neural Machine Translation System using a Content-equivalently Translated Parallel Corpus for the Newswire Translation Tasks at WAT 2019 (D19-52)
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| Challenge: | In addition to the JIJI Corpus, we developed a corpus of 0.22M sentence pairs by manually, translating Japanese news sentences into English content- equivalently. |
| Approach: | They propose to use JIJI Corpus and Equivalent-style sentences to translate Japanese news sentences into English content- equivalently. |
| Outcome: | The proposed translation models achieved the best human evaluation scores in the newswire translation tasks at WAT 2019 . they used the JIJI Corpus, which was provided by the task organizer, and the Equivalent-style translation model to translate Japanese news sentences into English content- equivalently. |
Context-Driven and Reference-Guided Data Augmentation for Subtitle Translation (2026.findings-acl)
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| Challenge: | Large language models (LLMs) have demonstrated strong performance in translation tasks. |
| Approach: | They propose a method that expands source-side data by rewriting original subtitles using information that can be extracted from the context, such as character profiles and scene descriptions. |
| Outcome: | The proposed method improves BLEU scores for film subtitle translation and achieves superior stylistic quality in human evaluation. |
Effective Use of Target-side Context for Neural Machine Translation (2020.coling-main)
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| Challenge: | Existing methods to train NMT systems with noisy data are not sufficient . et al., 2018) found that NMT models can learn with multiple types of corpora . |
| Approach: | They propose a Japanese-English news corpus that is content-equivalent . they extend a domain-adaptation method to train NMT models with clean corpus . |
| Outcome: | The proposed corpus improves translation quality and is more efficient than existing methods. |