Kenji's Home Page

2023

NAIST-NICT WMT’23 General MT Task Submission

• • Hiroyuki Deguchi, Kenji Imamura, Yuto Nishida, Yusuke Sakai, Justin Vasselli and Taro Watanabe.

  • The 8th Conference on Machine Translation (WMT23), pp. 110-118, Dec. 2023.

  • [paper (statmt.org) / bib]

Pivot Translation for Zero-resource Language Pairs Based on a Multilingual Pretrained Model

• • Kenji Imamura, Masao Utiyama, and Eiichiro Sumita.

  • Machine Translation Summit XIX (MT Summit 2023), pp. 348-359, Sep. 2023.

  • [paper (ACL anthology) / bib]

A Study of Pivot Translation between Non-English Languages Using Multilingual Models

• • in Japanese. 「多言語事前学習モデルを前提とした非英語間ピボット翻訳の特徴調査」

  • Kenji Imamura and Eiichiro Sumita.

  • The 29th Annual Meeting of Assoc. for Natural Language Processing, pp. 2483-2488, Mar. 2023.

  • [paper / bib]

Subword Addtion to a SentencePiece Tokenizer for Multilingual Pretrained Models

• • in Japanese. 「多言語事前学習モデルのためのSentencePieceトークナイザーへのサブワード追加」

  • Kenji Imamura and Eiichiro Sumita.

  • The 29th Annual Meeting of Assoc. for Natural Language Processing, pp. 1474-1479, Mar. 2023.

  • [paper / bib / sample code]

Construction of GCP Simultaneous Corpus

• • in Japanese. 「GCP同時通訳コーパスの構築」

  • Shohei Higashiyama, Kenji Imamura, Masao Utiyama, and Eiichiro Sumita.

  • The 29th Annual Meeting of Assoc. for Natural Language Processing, pp. 1405-1410, Mar. 2023.

  • [paper / bib]

2022

NAIST-NICT-TIT WMT22 General MT Task Submission

• Hiroyuki Deguchi, Kenji Imamura, Masahiro Kaneko, Yuto Nishida, Yusuke Sakai, Justin Vasselli, Huy Hien Vu, Taro Watanabe

• The 7th Conference on Machine Translation (WMT22), pp. 244-250, Dec. 2022.

• [paper (ACL anthology) / bib]

Extending the Subwording Model of Multilingual Pretrained Models for New Languages

• Kenji Imamura and Eiichiro Sumita

• arXiv e-Print 2211.15965, Nov. 2022.

• [paper (arXiv) / sample code]

Speeding up of Multilingual Pretrained Machine Translation by Vocabulary Selection

• in Japanese. 「多言語事前訓練機械翻訳の語彙選択による高速化」

• Kenji Imamura

• Japio YEAR BOOK 2022, pp. 326-328, Nov. 2022.

• [paper (Japio Web Page) / bib]

A Survey of Machine Translation Technologies for Machine Translation on Patent Documents

• in Japanese. 「特許機械翻訳の課題解決に向けた機械翻訳技術解説」

• Kenji Imamura,  Hiroshi Echizen-ya, Terumasa Ehara, Isao Goto, Katsuhito Sudoh, Satoshi Sonoo, Takashi Tsunakawa, Toshiaki Nakazawa, Takashi Ninomiya, Xiangli Wang

• Journal of Natural Language Processing, Vol.29, No.3, pp. 925-985, Sep. 2022.

• [paper (J-stage) / bib]

2021

Language Expansion of a Pretrained Model and its Effects

• in Japanese. 「事前訓練モデルの言語拡張とその効果」

• Kenji Imamura and Eiichiro Sumita

• Japio YEAR BOOK 2021, pp. 302-305, Nov. 2021.

• [paper (Japio Web Page) / bib]

NICT-2 Translation System at WAT-2021: Applying a Pretrained Multilingual Encoder-Decoder Model to Low-resource Language Pairs

• Kenji Imamura and Eiichiro Sumita

• The 8th Workshop on Asian Translation (WAT-2021) in ACL-IJCNLP 2021, pp. 90-95, Aug. 2021.

• [paper (ACL Anthology) / bib]

A Study of Speed-up in Neural Machine Translation Combined with Knowledge Distillation.

• • in Japanese. 「知識蒸留によるニューラル機械翻訳の高速化検討」

  • Kenji Imamura.

  • The 27th Annual Meeting of Assoc. for Natural Language Processing, 123-127, Mar. 2021.

  • [paper (J-stage) / bib / appendix ]

2020

Transformer-based Double-token Bidirectional Autoregressive Decoding in Neural Machine Translation

• • Kenji Imamura and Eiichiro Sumita.

  • The 7th Workshop on Asian Translation (WAT-2020) in AACL-IJCNLP 2020, pp. 50-57, Dec. 2020.

  • [paper (ACL Anthology) / bib / sample code (GitHub)]

Improvement of Neural Machine Translation that Uses Non-autoregressive Decoding

• • in Japanese. 「非自己回帰デコーディング型ニューラル機械翻訳の改善」

  • Kenji Imamura.

  • Japio YEAR BOOK 2020, pp. 296-299, Nov. 2020.

  • [paper (Japio Web Page) / bib]

Neural Machine Translation Using Multiple Back-translation Generated by Sampling

• • in Japanese. 「サンプリング生成に基づく複数逆翻訳を用いたニューラル機械翻訳」

  • Kenji Imamura, Atsushi Fujita, and Eiichiro Sumita.

  • Transactions of the Japanese Society for Artificial Intelligence, Vol.35, Issue 3, pp. A-JA9_1-9, May 2020.

  • [paper (J-STAGE) / bib]

Language Translation

• • Kenji Imamura.

  • Yutaka Kidawara, Eiichiro Sumita, and Hisashi Kawai editors.

  • in Speech-toSpeech Translation, Chapter 4, Springer Singapore, ISBN:978-981-15-0594-2, Nov. 2019.

  • [Springer / bib]