Hi, I'm Sheng Hu

at Hokkaido University

About Me My Publications

About me

Sheng Hu

  • I'm a specially appointed assistant professor at ICReDD in Hokkaido University.

  • Ph.D (2019): Retrieval, Generation and Ranking for Large Text Data Using Index and Algorithms
    Database Lab of Nagoya University, under the supervision of Prof. Chuan Xiao and sub-supervision of Prof. Yoshiharu Ishikawa.
    Postdoc (2019-2020): Retrieval and Generative Models for Spatial Data Mining
    Database Lab of Kyoto University, with Prof. Qiang Ma and Prof. Masatoshi Yoshikawa.
  • Email:

Research Interests

  • Deep Learning and Reinforcement Learning on Graphs
  • Bayesian Optimization
  • Statistical Learning for Scientific Data
  • Recommendation Systems and Database Algorithms
  • Retrieval-Augmented Generation (RAG)

Selected Publications

Journal Publications

  1. Yuki Ide*, Hayato Shirakura, Taichi Sano, Muthuchamy Murugavel, Yuya Inaba, Sheng Hu, Ichigaku Takigawa*, and Yasuhide Inokuma*, Machine Learning-Based Analysis of Molar and Enantiomeric Ratios and Reaction Yields Using Images of Solid Mixtures, Ind. Eng. Chem. Res. 2023, ACS. [Paper]

  2. Sheng Hu, Efficient Text Autocompletion for Online Services, Chapter of Frontiers of Digital Transformation, May 2021, pp. 171-185.

  3. Chuan Xiao, Jianbin Qin, Sheng Hu, Wei Wang, Yoshiharu Ishikawa, Koji Tsuda, Kunihiko Sadakane, Efficient Query Autocompletion with Edit Distance-based Error Tolerance, The VLDB Journal, 2019, pp. 1-25.

  4. Sheng Hu, Chuan Xiao, Yoshiharu Ishikawa, Scope-aware Code Completion with Discriminative Modeling, IPSJ Journal of Information Processing, Vol. 27, pp. 469-478, August 2019.

  5. Sheng Hu, Chuan Xiao, Yoshiharu Ishikawa, An Efficient Algorithm for Location-Aware Query Autocompletion, IEICE Transactions on Information and Systems, Vol. E101-D, No. 1, pp. 181-192, January 2018. *IEICE Best Paper Award 2018 (電子情報通信学会2018年度論文賞) [Paper]

Conference Publications

  1. Sheng Hu, Ichigaku Takigawa, Chuan Xiao, Edit-Aware Generative Molecular Graph Autocompletion for Scaffold Input, The Seventh International Workshop on Deep Learning on Graphs (DLG@AAAI'22 Workshop)

  2. Yukai Miao, Jianbin Qin, Sheng Hu, Yuyang Dong, Yoshiharu Ishikawa, Makoto Onizuka, NGNC: A Flexible and Efficient Framework for Error-Tolerant Query Autocompletion, Workshop on Software Foundations for Data Interoperability (SFDI 2020@VLDB 2020 Workshop)

  3. Sheng Hu, Chuan Xiao, Jianbin Qin, Yoshiharu Ishikawa, Qiang Ma, Autocompletion for Prefix-Abbreviated Input, SIGMOD 2019, Amsterdam, Netherlands, pages 211-228, June 2019. *Student Travel Award Winner [Paper]

Academic Activities

Working Experiences

  • 2019.4-2020.3: Postdoc Researcher, Database Lab (Yoshikawa-Ma Lab) in Kyoto University, Kyoto, Japan
  • 2017.7-2017.12: Research Intern at Central Research Laboratories, NEC中央研, Kawasaki, Japan

Honors and Awards

  • 2015: IBM Mainframe Programming Contest Excellent Award (top3)
  • 2014-2019: Japan MEXT Scholarship (国費留学生奨学金)


  • 劉 健全, 胡 晟. 映像におけるシーン検索. 特許6965939.


  • Apr 2021 - Mar 2025: PI, Grants-in-Aid for Scientific Research #21K17745
    (Ministry of Education, Culture, Science and Technology)
  • Apr 2020 - Mar 2021: PI, Start-up Research Funding for Young Investigators
    (Hokkaido University ICReDD)

Japan Domestic Workshops

  1. 胡 晟, 肖 川, 石川 佳治. 識別モデルを用いたスコープを意識したコード補完.第11回データ工学と情報マネジメントに関するフォーラム (DEIM2019), 2019年3月. *学生プレゼンテーション賞
  2. 胡 晟, 劉 健全, 西村 祥治, 石川 佳治. 大量な映像における高速な動的場面の分析と検索.第10回データ工学と情報マネジメントに関するフォーラム (DEIM2018), 2018年3月. *学生プレゼンテーション賞,Rakesh Agrawal賞,優秀インタラクティブ賞
  3. 胡 晟, 劉 健全, 西村 祥治. 大量な映像における高速な動的場面検索.第 209 回情報処理学会 Computer Vision and Image Media 研究会 (CVIM2017), Vol.2017-CVIM-209, No. 3, 2017年11月. *優秀研究発表賞
  4. 胡 晟, 肖 川, 石川 佳治. 略記問合せに対する効率的な問合せ自動補完.第9回データ工学と情報マネジメントに関するフォーラム (DEIM2017), 2017年3月.
  5. 胡 晟, 肖 川, 石川 佳治. 誤字を許容できる効率的な自動補完.第8回データ工学と情報マネジメントに関するフォーラム (DEIM2016), 2016年3月. *学生プレゼンテーション賞

Contact me

WPI-ICReDD, Hokkaido University, Kita-ku, Sapporo 001-0021, JAPAN