Katsuhito Sudoh @ NAIST

Katsuhito Sudoh, Ph.D.

Associate Professor, Nara Institute of Science and Technology (NAIST)

+ Visiting Scientist, RIKEN Center of Advanced Intelligence Project (AIP)

+ Researcher, JST PRESTO

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Twitter (@katsuhito_sudoh, English, less tweets)

Twitter (@katsuhitosudoh, Japanese, much noisy tweets :-)

About me

General information

Associate Professor in Nara Institute of Science and Technology (NAIST)

Researcher in Japan Science and Technology Agency (JST)

Visiting Researcher in RIKEN Center for Advanced Intelligence Project


8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan

mailto: ${surname} {0x40} is.naist.jp

Research topics

  • Machine Translation
  • Natural Language Processing
  • Spoken Language Processing


  • Ph. D. in Informatics, Kyoto University (2015)

Doctoral Dissertation: A Japanese-to-English Statistical Machine Translation System for Technical Documents

Supervisor: Prof. Tatsuya Kawahara

  • Master of Informatics, Kyoto University (2002)

Master Thesis: Virtualizing Reaction of One-Dimensional Deformable Objects from Real Observation (実計測に基づく1次元柔軟物体のふるまいの仮想化)

Supervisor: Prof. Michihiko Minoh

  • Bachelor of Engineering, Kyoto University (2000)

Bachelor Thesis: Shape Modeling of String-like Flexible Object from Real Observation for its Manipulation in Virtual World (仮想世界でのひも操作のための実観測に基づく形状のモデル化)

Supervisor: Prof. Michihiko Minoh

Work experiences

  • Apr. 2017 -: Associate Professor at NAIST
  • Oct. 2018 -: Researcher of JST PRESTO
  • May 2018 -: Visiting Researcher at RIKEN AIP (Tourism Information Analytics Team)
  • Apr. 2002 - Mar. 2017: Communication Science Laboratories, Nippon Telegraph and Telephone Corporation (NTT)

Academic activities

  • Apr. 2016 -: Vice Chairperson, AAMT/Japio Special Interest Group on Patent Translation (Apr. 2012-: Committee member)
  • Jun. 2018 - Mar. 2020: Editor, IPSJ Journal & Journal of Information Processing (JIP), Information Processing Society of Japan (IPSJ)
  • Aug. 2018: Workshop co-organizer, The 8th Workshop on Patent and Scientific Literature Translation (PSLT 2019)
  • Sep. 2014 - Sep. 2018: Editor, Journal of Natural Language Processing (JNLP)
  • Dec. 2017: Evaluation co-chair, The 14th International Workshop on Spoken Language Translation (IWSLT 2017)
  • Sep. 2017: Workshop co-organizer, The 7th Workshop on Patent and Scientific Literature Translation (PSLT 2017)
  • Oct. 2015: Workshop co-organizer, The 6th Workshop on Patent and Scientific Literature Translation (PSLT 2015)
  • Reviewer: IEEE/ACM Transactions on TASLP, ACM Transactions on TALLIP, Computer Speech and Language, IPSJ Journal, IEICE Transactions, Journal of Natural Language Processing, Transactions of JSAI, ACL (2015-2017), EACL (2017), EMNLP (2015-2016, 2018), COLING (2016, 2018), WMT (2015-), IJCNLP (2015, 2017)


  • 2019: Data Science II, Graduate School of Science and Technology, NAIST (1 session out of 8)
  • 2018-2019: Machine Learning, Graduate School of Science and Technology, NAIST (2 sessions out of 8)
  • 2017-2018: Sequential Data Modeling, Graduate School of Science and Technology, NAIST (4 sessions out of 8)
  • 2016: Machine Translation (翻訳解析), Faculty of Culture and Information Science, Doshisha University (15 sessions, in Japanese)
  • 2015-2016: Speech Information Processing (音声情報処理), Faculty of Informatics, Kansai University (3 sessions out of 15, in Japanese)


  • Aug. 2019: Best Paper Award in ConvAI 2019, "Conversational Response Re-ranking Based on Event Causality and Role Factored Tensor Event Embedding" [co-authored]
  • Oct. 2018: Best Student Paper Award in IWSLT 2018, "Multi-Source Neural Machine Translation with Data Augmentation" [co-authored]
  • Mar. 2015: Outstanding Paper Award of Journal of Natural Language Processing, "Incremental Word Re-Ordering and Article Generation: Its Application to Japanese-to-English Machine Translation (In Japanese: 単語並べ替えと冠詞生成の同時逐次処理:日英機械翻訳への適用) [co-authored]
  • Mar. 2012: Outstanding Presentation Award in Annual Meeting of the Association of Natural Language Processing, "RIBES: 順位相関に基づく翻訳の自動評価法" [co-authored]
  • Nov. 2011: Best Paper Finalist in IJCNLP 2011, "Extracting Pre-ordering Rules from Predicate Argument Structures" [co-authored]
  • Jul. 2006: AFNLP Meritorious Asian NLP Paper Award in COLING/ACL 2006, "Incorporating Speech Recognition Confidence into Discriminative Named Entity Recognition of Speech Data"


(In maintenance)