Toshiaki Nakazawa

Profile

  • March, 2001: graduated from Kaijo high school
  • March, 2005: graduated from Faculty of Engineering, The University of Tokyo
  • March, 2007: graduated from Graduate School of Information Science and Technology, The University of Tokyo
  • March, 2010: graduated from Graduate School of Informatics, Kyoto University
  • April, 2010: became a researcher of Kurohashi-Kawahara Lab., Kyoto University
  • April, 2011: became an assistant professor of Kurohashi-Kawahara Lab.
  • April, 2013: became a researcher of JST
  • April, 2018: became a appointed lecturer of The University of Tokyo
  • April, 2021: became a visiting researcher of The University of Tokyo

Invited Talks

  • Promoting Science and Technology Exchange using Machine Translation
    The 6th Workshop on Patent and Scientific Literature Translation (PSLT 2015), (2015.10.30). [slides]
  • Machine Translation Research in Asian Languages
    The 3rd Patent Information Symposium, (2014.11.28) (in Japanese). [slides]

Publications

2021

  • Nobushige Doi, Yusuke Oda, Toshiaki Nakazawa:
    TDDC: Timely Disclosure Documents Corpus
    Proceedings of the 12th Language Resources and Evaluation Conference, Marseille, France, (2020.5).

  • Matīss Rikters, Ryokan Ri, Tong Li, Toshiaki Nakazawa:
    Japanese–English Conversation Parallel Corpus for Promoting Context-aware Machine Translation Research
    Journal of Natural Language Processing, Vol. 28, No. 2, pp.380-403, (2021.6).

  • Ryokan Ri, Toshiaki Nakazawa, Yoshimasa Tsuruoka:
    Modeling Target-side Inflection in Placeholder Translation
    In Proceedings of the 18th Biennial Machine Translation Summit, Online, (2021.8).

  • Ryokan Ri, Toshiaki Nakazawa, Yoshimasa Tsuruoka:
    Zero-pronoun Data Augmentation for Japanese-to-English Translation
    Proceedings of the 8th Workshop on Asian Translation, Online, (2021.8).

  • Toshiaki Nakazawa, Hideki Nakayama, Chenchen Ding, Raj Dabre, Shohei Higashiyama, Hideya Mino, Isao Goto, Win Pa Pa, Anoop Kunchukuttan, Shantipriya Parida, Ondřej Bojar, Chenhui Chu, Akiko Eriguchi, Kaori Abe, Yusuke Oda, Sadao Kurohashi:
    Overview of the 8th Workshop on Asian Translation
    Proceedings of the 8th Workshop on Asian Translation, Online, (2021.8).

2020

  • Nobushige Doi, Yusuke Oda, Toshiaki Nakazawa:
    TDDC: Timely Disclosure Documents Corpus
    Proceedings of the 12th Language Resources and Evaluation Conference, Marseille, France, (2020.5).

  • Sho Shimazu, Sho Takase, Toshiaki Nakazawa, Naoaki Okazaki:
    Evaluation dataset for zero pronoun in japanese to english translation
    Proceedings of the 12th Language Resources and Evaluation Conference, Marseille, France, (2020.5).

  • Matīss Rikters, Ryokan Ri, Tong Li, Toshiaki Nakazawa:
    Document-aligned Japanese-English Conversation Parallel Corpus
    In Proceedings of the Fifth Conference on Machine Translation, Online, (2020.11).

  • Matīss Rikters, Toshiaki Nakazawa, Ryokan Ri:
    The University of Tokyo’s Submissions to the WAT 2020 Shared Task
    Proceedings of the 7th Workshop on Asian Translation, Suzhou, China, (2020.12).

  • Toshiaki Nakazawa, Hideki Nakayama, Chenchen Ding, Raj Dabre, Shohei Higashiyama, Hideya Mino, Isao Goto, Win Pa Pa, Anoop Kunchukuttan, Shantipriya Parida, Ondřej Bojar, Sadao Kurohashi:
    Overview of the 7th Workshop on Asian Translation
    Proceedings of the 7th Workshop on Asian Translation, Suzhou, China, (2020.12).

2019

  • Matīss Rikters, Ryokan Ri, Tong Li, Toshiaki Nakazawa:
    Designing the Business Conversation Corpus
    Proceedings of the 6th Workshop on Asian Translation, Hong Kong, China, (2019.11).

  • Toshiaki Nakazawa, Nobushige Doi, Shohei Higashiyama, Chenchen Ding, Raj Dabre, Hideya Mino, Isao Goto, Win Pa Pa, Anoop Kunchukuttan, Shantipriya Parida, Ondˇrej Bojar, Sadao Kurohashi:
    Overview of the 6th Workshop on Asian Translation
    Proceedings of the 6th Workshop on Asian Translation, Hong Kong, China, (2019.11).

  • Reinhard Rapp, Vivian Xu, Michael Zock, Serge Sharoff, Richard Forsyth, Bogdan Babych, Chenhui Chu, Toshiaki Nakazawa, Sadao Kurohashi:
    New Areas of Application of Comparable Corpora
    Using Comparable Corpora for Under-Resourced Areas of Machine Translation, Springer International Publishing, (2019).

2018

  • Toshiaki Nakazawa, Katsuhito Sudoh, Shohei Higashiyama, Chenchen Ding, Raj Dabre, Hideya Mino, Isao Goto, Win Pa Pa, Anoop Kunchukuttan and Sadao Kurohashi:
    Overview of the 5th Workshop on Asian Translation
    Proceedings of the 32nd Pacific Asia Conference on Language, Information and Computation: 5th Workshop on Asian Translation: 5th Workshop on Asian Translation, Hong Kong, China, (2018.12).

2017

  • Toshiaki Nakazawa, Shohei Higashiyama, Chenchen Ding, Hideya Mino, Isao Goto, Hideto Kazawa, Yusuke Oda, Graham Neubig, Sadao Kurohashi:
    Overview of the 4th Workshop on Asian Translation
    Proceedings of the 4th Workshop on Asian Translation (WAT2017), Taipei, Taiwan, (2017.11.27).

  • Fabien Cromieres, Toshiaki Nakazawa, Raj Dabre:
    Neural Machine Translation: Basics, Practical Aspects and Recent Trends
    Proceedings of the IJCNLP 2017, Tutorial Abstracts(2017.11)

2016

  • Chenhui Chu, Toshiaki Nakazawa, Daisuke Kawahara and Sadao Kurohashi:
    SCTB: A Chinese Treebank in Scientific Domain
    Proceedings of the 12th Workshop on Asian Language Resources (ALR12 2016), Osaka, Japan, (2016.12.12).

  • Fabien Cromieres, Chenhui Chu, Toshiaki Nakazawa and Sadao Kurohashi:
    Kyoto University Participation to WAT 2016
    In Proceedings of the 3rd Workshop on Asian Translation (WAT 2016), Osaka, Japan, (2016.12.12).

  • Toshiaki Nakazawa, Chenchen Ding, Hideya MINO, Isao Goto, Graham Neubig and Sadao Kurohashi:
    Overview of the 3rd Workshop on Asian Translation
    In Proceedings of the 3rd Workshop on Asian Translation (WAT 2016), Osaka, Japan, (2016.12.12).

  • Naoki Otani, Toshiaki Nakazawa, Daisuke Kawahara and Sadao Kurohashi:
    IRT-based Aggregation Model of Crowdsourced Pairwise Comparison for Evaluating Machine Translations
    Proceedings of EMNLP 2016: Conference on Empirical Methods in Natural Language Processing, Austin, Texas, USA, (2016.11).

  • Toshiaki Nakazawa and Sadao Kurohashi: Insertion Position Selection Model for Flexible Non-Terminals in Dependency Tree-to-Tree Machine Translation
    Proceedings of EMNLP 2016: Conference on Empirical Methods in Natural Language Processing, pp.2271–2277 , Austin, Texas, USA, (2016.11). [pdf] [bib]

  • Hitoshi Otsuki, Chenhui Chu, Toshiaki Nakazawa and Sadao Kurohashi:
    Dependency Forest based Word Alignment
    Proceedings of the ACL 2016 Student Research Workshop, Berlin, Germany, (2016.8).

  • John Richardson, Fabien Cromieres, Toshiaki Nakazawa and Sadao Kurohashi:
    Flexible Non-Terminals for Dependency Tree-to-Tree Reordering
    Proceedings of NAACL 2016, (2016.6).

  • Chenhui Chu, Toshiaki Nakazawa and Sadao Kurohashi:
    Using Comparable Corpora for Under-Resourced Areas of Machine Translation
    Chapter 7.3 Chinese-Japanese Parallel Sentence Extraction from Quasi-Comparable and Comparable Corpora, pp.31-50, Springer, (2016.6).

  • Toshiaki Nakazawa, Manabu Yaguchi, Kiyotaka Uchimoto, Masao Utiyama, Eiichiro Sumita, Sadao Kurohashi and Hitoshi Isahara:
    ASPEC: Asian Scientific Paper Excerpt Corpus
    Proceedings of the 10th Conference on International Language Resources and Evaluation (LREC2016), Portoroz, Slovenia, (2016.5). [pdf] [bib]

  • Antoine Bourlon, Chenhui Chu, Toshiaki Nakazawa and Sadao Kurohashi:
    Simultaneous Sentence Boundary Detection and Alignment with Pivot-based Machine Translation Generated Lexicons
    Proceedings of the 10th Conference on International Language Resources and Evaluation (LREC2016), Portoroz, Slovenia, (2016.5).

  • Hitoshi Otsuki, Chenhui Chu, Toshiaki Nakazawa and Sadao Kurohashi:
    Hierarchical Word Alignment based on Dependency Forest
    言語処理学会 第22回年次大会, 仙台, (2016.3).

2015

  • Chenhui Chu, Toshiaki Nakazawa, Sadao Kurohashi:
    Integrated Parallel Sentence and Fragment Extraction from Comparable Corpora: A Case Study on Chinese-Japanese Wikipedia
    ACM Transactions on Asian and Low-Resource Language Information Processing (TALLIP), Vol.15, No.2, pp.10:1-10:22, (2015.12).

  • John Richardson, Toshiaki Nakazawa and Sadao Kurohashi:
    Enhancing Function Word Translation with Syntax-Based Statistical Post-Editing
    Proceedings of the 6th Workshop on Patent and Scientific Literature Translation, pp.44-51, (2015.10.30).

  • Raj Dabre, Chenhui Chu, Fabien Cromieres, Toshiaki Nakazawa and Sadao Kurohashi:
    Large-scale Dictionary Construction via Pivot-based Statistical Machine Translation with Significance Pruning and Neural Network Features
    Proceedings of the 29th Pacific Asia Conference on Language, Information and Computing (PACLIC2015), pp.293-301, Shanghai, China, (2015.10.30).

  • Toshiaki Nakazawa, Hideya Mino, Isao Goto, Graham Neubig, Sadao Kurohashi, Eiichiro Sumita:
    Overview of the 2nd Workshop on Asian Translation
    Proceedings of the 2nd Workshop on Asian Translation (WAT2015), pp.1-28, Kyoto, Japan, (2015.10.16).[pdf] [slides]

  • Chenhui Chu, Toshiaki Nakazawa, Sadao Kurohashi:
    Parallel Sentence Extraction Based on Unsupervised Bilingual Lexicon Extraction from Comparable Corpora
    自然言語処理, Vol.22, No.3, pp.139-170, (2015.9).

  • Toshiaki Nakazawa, Sadao Kurohashi, Hayato Kobayashi, Hiroki Ishikawa and Manabu Sassano:
    3-step Parallel Corpus Cleaning using Monolingual Crowd Workers
    Proceedings of the 2015 Conference of the Pacific Association for Computational Linguistics (PACLING2015), pp.80-87, Bali, Indonesia, (2015.5.20). [pdf] [slides]

2014

  • Chenhui Chu, Toshiaki Nakazawa, Sadao Kurohashi:
    Improving Statistical Machine Translation Accuracy Using Bilingual Lexicon Extraction with Paraphrases
    Proceedings of the 28th Pacific Asia Conference on Language, Information and Computing (PACLIC2014), pp.262-271, Phuket, Thailand, (2014.12.12).

  • Yudai Kishimoto, Toshiaki Nakazawa, Daisuke Kawahara and Sadao Kurohashi:
    Post-Editing User Interface Using Visualization of a Sentence Structure
    Proceeding of AMTA2014 Workshop on Post-Editing Technology and Practice (WPTP3), Vancouver, BC, Canada, (2014.10.26).

  • Toshiaki Nakazawa, Hideya Mino, Isao Goto, Sadao Kurohashi and Eiichiro Sumita:
    Overview of the 1st Workshop on Asian Translation
    Proceedings of the 1st Workshop on Asian Translation (WAT2014), pp.1--19, Tokyo, Japan (2014.10.4). [pdf] [slides] [poster]

  • John Richardson, Fabien Cromieres, Toshiaki Nakazawa and Sadao Kurohashi:
    KyotoEBMT: An Example-Based Dependency-to-Dependency Translation Framework (System Demonstration)
    Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (ACL2014), Baltimore, USA (2014.6).

  • John Richardson, Toshiaki Nakazawa and Sadao Kurohashi:
    Bilingual Dictionary Construction with Transliteration Filtering
    Proceedings of the 9th International Conference on Language Resources and Evaluation (LREC2014), Reykjavik, Iceland (2014.5).

  • Chenhui Chu, Toshiaki Nakazawa, Sadao Kurohashi:
    Constructing a Chinese-Japanese Parallel Corpus from Wikipedia
    Proceedings of the 9th Conference on International Language Resources and Evaluation (LREC2014), pp.642-647, Reykjavik, Iceland (2014.5).

  • Chenhui Chu, Toshiaki Nakazawa, Sadao Kurohashi:
    Iterative Bilingual Lexicon Extraction from Comparable Corpora with Topical and Contextual Knowledge
    Proceedings of the 15th International Conference on Intelligent Text Processing and Computational Linguistics (CICLing2014), Springer Lecture Notes in Computer Science (LNCS) 8404, Part II, pp.296-309, Kathmandu, Nepal (2014.4).

2013

  • John Richardson, Toshiaki Nakazawa and Sadao Kurohashi:
    Robust Transliteration Mining from Comparable Corpora with Bilingual Topic Models
    In Proceedings of the 6th International Joint Conference on Natural Language Processing (IJCNLP 2013), Nagoya, Japan (2013.10).

  • Chenhui Chu, Toshiaki Nakazawa and Sadao Kurohashi:
    Accurate Parallel Fragment Extraction from Quasi-Comparable Corpora using Alignment Model and Translation Lexicon
    In Proceedings of the 6th International Joint Conference on Natural Language Processing (IJCNLP 2013, short paper), Nagoya, Japan (2013.10).

  • Chenhui Chu, Toshiaki Nakazawa and Sadao Kurohashi:
    Chinese-Japanese Parallel Sentence Extraction from Quasi-Comparable Corpora
    In Proceedings of the 6th Workshop on Building and Using Comparable Corpora (BUCC 2013), pp.34-42, Sofia, Bulgaria (2013.8.8).

  • Toshiaki Nakazawa, Sadao Kurohashi:
    Description of KYOTO EBMT System in PatentMT at NTCIR-10
    In Proceedings of the 10th NTCIR Workshop Meeting on Evaluation of Information Access Technologies (NTCIR-10), pp.356-360, Tokyo, Japan (2013.6.21). [pdf] [poster]

2012

  • Toshiaki Nakazawa, Sadao Kurohashi:
    Alignment by Bilingual Generation and Monolingual Derivation
    In Proceedings of the 24th International Conference on Computational Linguistics (COLING2012), pp.1963-1978, Mumbai, India (2012.12). [pdf] [pptx]

  • Chenhui Chu, Toshiaki Nakazawa, Sadao Kurohashi:
    EBMT System of Kyoto University in OLYMPICS Task at IWSLT 2012
    In Proceedings of International Workshop on Spoken Language Translation (IWSLT2012), pp.96-101, Hong Kong, China (2012.12).

  • Chenhui Chu, Toshiaki Nakazawa, Sadao Kurohashi:
    Exploiting Shared Chinese Characters in Chinese Word Segmentation Optimization for Chinese-Japanese Machine Translation
    In Proceedings of the 16th Conference of the European Association for Machine Translation (EAMT2012), Trento, Italy (2012.5).

  • Chenhui Chu, Toshiaki Nakazawa, Sadao Kurohashi:
    Chinese Characters Mapping Table of Japanese, Traditional Chinese and Simplified Chinese
    In Proceedings of the Eighth conference on International Language Resources and Evaluation (LREC2012), Istanbul, Turkish (2012.5).

2011

  • Toshiaki Nakazawa, Sadao Kurohashi:
    EBMT System of KYOTO Team in PatentMT Task at NTCIR-9
    In Proceedings of the 9th NTCIR Workshop Meeting on Evaluation of Information Access Technologies (NTCIR-9), pp.657-660, Tokyo, Japan (2011.12). [pdf] [poster]

  • Toshiaki Nakazawa, Sadao Kurohashi:
    Bayesian Subtree Alignment Model based on Dependency Trees
    In Proceedings of 5th International Joint Conference on Natural Language Processing, pp.794-802, Chiang Mai, Thailand (2011.11). [pdf] [pptx]

  • Chenhui Chu, Toshiaki Nakazawa and Sadao Kurohashi:
    Japanese-Chinese Phrase Alignment Using Common Chinese Characters Information
    In Proceedings of Machine Translation Summit XIII, poster, pp.475-482, Xiamen, China (2011.9) [pdf] [pptx]

- 2010

  • Toshiaki Nakazawa, Sadao Kurohashi:
    Fully Syntactic EBMT System of KYOTO Team in NTCIR-8
    In Proceedings of the 8th NTCIR Workshop Meeting on Evaluation of Information Access Technologies (NTCIR-8), pp.403-410, Tokyo, Japan (2010.6). [pdf] [poster]

  • Toshiaki Nakazawa, Sadao Kurohashi:
    Statistical Phrase Alignment Model Using Dependency Relation Probability
    In Proceedings of the third Workshop on Syntax and Structure in Statistical Translation (SSST-3), pp.10-18, Colorado, U.S.A (2009.6). [pdf] [ppt]

  • Toshiaki Nakazawa, Sadao Kurohashi:
    Kyoto-U: Syntactical EBMT System for NTCIR-7 Patent Translation Task
    In Proceedings of the 7th NTCIR Workshop Meeting on Evaluation of Information Access Technologies (NTCIR-7), pp.401-408, Tokyo, Japan (2008.12). [pdf] [ppt] [poster]

  • Toshiaki Nakazawa, Sadao Kurohashi:
    Linguistically-motivated Tree-based Probabilistic Phrase Alignment
    In Proceedings of the Eighth Conference of the Association for Machine Translation in the Americas (AMTA2008), pp.??-??, Waikiki, Hawai'i (2008.10). [pdf] [ppt]

  • Toshiaki Nakazawa, Kun Yu, Sadao Kurohashi:
    Structural Phrase Alignment Based on Consistency Criteria
    In Proceedings of Machine Translation Summit XI, pp.337-344, Copenhagen, Denmark (2007.9). [pdf] [ppt]

  • Toshiaki Nakazawa, Kun Yu, Daisuke Kawahara, Sadao Kurohashi:
    Example-based Machine Translation based on Deeper NLP
    In Proceedings of International Workshop on Spoken Language Translation (IWSLT'06), pp.64-70, Kyoto (2006.11). [pdf] [ppt]

  • Sadao Kurohashi, Toshiaki Nakazawa, Kauffmann Alexis, Daisuke Kawahara:
    Example-based Machine Translation Pursuing Fully Structural NLP
    In Proceedings of International Workshop on Spoken Language Translation (IWSLT'05), pp.207-212, Pittsburgh (2005.10). [pdf] [ppt]

  • Toshiaki Nakazawa, Daisuke Kawahara and Sadao Kurohashi:
    Automatic Acquisition of Basic Katakana Lexicon from a Given Corpus
    In Proceedings of Second International Joint Conference on Natural Language Processing (IJCNLP-05), pp.682-693, Jeju Island, Korea (2005.10). [pdf] [ppt]

in Japanese

  • 中澤敏明, 塚本浩司, 増山毅司, 颯々野学, 黒橋禎夫:
    言語横断ECサイトにおける翻訳精度改善に向けた取り組み
    言語処理学会 第18回年次大会 pp.673-676, (2012.3). [pdf] [pptx]

  • 中澤敏明, 黒橋禎夫:
    依存関係確率モデルを用いた統計的句アライメント
    自然言語処理 Volume 17 Number 1, pp.99-120, (2010.1).

  • 中澤敏明, 黒橋禎夫:
    句の依存関係確率モデルを用いた統計的対訳文アライメント
    言語処理学会 第15回年次大会 pp.865-868, (2009.3). [pdf] [ppt]

  • 中澤敏明, 黒橋禎夫:
    整合性尺度を用いた構造的アラインメント
    自然言語処理 Volume 15 Number 2 pp.59-74 (2008.4).

  • 中澤敏明, 黒橋禎夫:
    自動学習された機能語の翻訳パターンを用いた用例ベース機械翻訳
    言語処理学会 第14回年次大会 pp.37-40 (2008.3). [pdf] [ppt]

  • 中澤敏明, 柴田知秀, 黒橋禎夫:
    TableタグによるWebブラウザでの言語処理結果の汎用表示ツール
    言語処理学会 第14回年次大会 pp.209-212 (2008.3). [pdf] [ppt]

  • 中澤敏明, Yu Kun, 黒橋禎夫:
    整合性尺度を用いた構造的対訳文アラインメント
    言語処理学会 第13回年次大会 pp.368-371 (2007.3). [pdf] [ppt]

Others

Copyright (C) 2014 Toshiaki Nakazawa , All rights reserved.