Shohei Higashiyama
Research Interests
Natural Language Processing
Work Experience
National Institute of Information and Communications Technology (NICT)
April 2022 to present: Researcher
July 2019 to March 2022: Technical Researcher
May 2017 to April 2019: Researcher (Transferred employee)
NEC Corporation
April 2014 to June 2019: Researcher
Education
Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST)
March 2022: Doctor of Engineering
Graduate School of System Informatics, Kobe University
March 2014: M.S. in System Informatics
Faculty of Engineering, Kobe University
March 2012: B.S. in Engineering
Selected Publications
Shohei Higashiyama, Masao Utiyama, Taro Watanabe, and Eiichiro Sumita, A Text Editing Approach to Joint Japanese Word Segmentation, POS Tagging, and Lexical Normalization, In Proceedings of the 7th Workshop on Noisy User-generated Text (W-NUT), pp. 67-80, Online, November, 2021. [paper] Best Paper Award
Shohei Higashiyama, Masao Utiyama, Taro Watanabe, and Eiichiro Sumita, User-Generated Text Corpus for Evaluating Japanese Morphological Analysis and Lexical Normalization, In Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL-HLT), pp. 5532-5541, Online, June 2021. [paper] [arXiv] [dataset]
Shohei Higashiyama, Masao Utiyama, Yuji Matsumoto, Taro Watanabe, and Eiichiro Sumita, Auxiliary Lexicon Word Prediction for Cross-Domain Word Segmentation, Journal of Natural Language Processing, Vol. 27, No. 3, pp. 573-598, September 2020. [paper]
Shohei Higashiyama, Masao Utiyama, Eiichiro Sumita, Masao Ideuchi, Yoshiaki Oida, Yohei Sakamoto, Isaac Okada, and Yuji Matsumoto, Character-to-Word Attention for Word Segmentation, Journal of Natural Language Processing, Vol. 27, No. 3, pp. 499-530, September 2020. [paper] Best Paper Award
Shohei Higashiyama, Masao Utiyama, Eiichiro Sumita, Masao Ideuchi, Yoshiaki Oida, Yohei Sakamoto, and Isaac Okada, Incorporating Word Attention into Character-Based Word Segmentation, In Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL-HLT), pp. 2699-2709, Minneapolis, USA, June 2019. [paper] [code]
Awards
Best Paper Award at the 7th Workshop on Noisy User-generated Text (W-NUT), "A Text Editing Approach to Joint Japanese Word Segmentation, POS Tagging, and Lexical Normalization", November, 2021.
Best Paper Award of the Association for Natural Language Processing, "Character-to-Word Attention for Word Segmentation", March 2021.
Best Paper Award at the International Conference on Computer and Information Sciences (ICCOINS 2014), "A Cost-Sensitive Approach to Named Entity Recognition with Category Hierarchy", June 2014.
Student Encouragement Award at the 74th National Convention of IPSJ, "カテゴリ階層を考慮した固有表現抽出", March 2012.
Academic Activities
Associate editor, the Journal of Natural Lanugage Processing, March 2022 to present.
Awards committee member, the Annual Meeting of the Association for Natural Language Processing, 2022.
Organizer, the Workshop on Asian Translation (WAT ), 2017 to present.
Committee member, the Japanese Society for Artificial Intelligence (JSAI) Annual Conference, 2018 to 2019.