Hidekazu Oiwa

Email: hidekazu.oiwa at gmail.com

Software Engineer (Machine Learning) at Google

Ph.D (Information Science and Technology) at the University of Tokyo, Japan.
My research interests are Machine Learning and Natural Language Processing.
For details, see my Resume.


Google 2018/01 >> ....

  • Software Engineer (Machine Learning)

Recruit Holdings Co., Ltd. 2015/04 >> 2017/12

  • Researcher

Stanford University 2015/09 >> 2017/08

  • Visiting Scholar

NEC Laboratories America

  • Visiting Research
  • Supervisor: Dr. Ryohei Fujimaki

Microsoft Research Asia

  • Research Internship
  • Supervisor: Dr. Junichi Tsujii

Preferred Infrastructure

  • Internship

Ph.D., Mathematical Informatics, The University of Tokyo 2010/04 >> 2015/03

  • A receiptant of Research Fellowship for Young Scientists (DC1) from JSPS
  • Concentration: Machine Learning, Natural Language Processing
  • Supervisor: Hiroshi Nakagawa

BA, Engineering, The University of Tokyo 2006/04 >> 2010/03

  • Concentration: Financial Statistics, Economics
  • Supervisor: Fumiko Takeda
Selected Publications

Full publication list is on Google Scholar

  • "Scalable Semantic Querying of Text"
    • Xiaolan Wang, Aaron Feng, Behzad Golshan, Alon Halevy, George Mihaila, Hidekazu Oiwa, Wang-Chiew Tan
    • International Conference on Very Large Data Bases (VLDB 2018)
  • "Knowledge Transfer for Out-of-Knowledge-Base Entities: A Graph Neural Network Approach"
    • Takuo Hamaguchi, Hidekazu Oiwa, Masashi Shinbo, Yuji Matsumoto
    • International Joint Conference on Artificial Intelligence. (IJCAI 2017)
  • "Partition-wise Linear Models"
    • Hidekazu Oiwa, Ryohei Fujimaki
    • Advances in Neural Information Processing Systems (NIPS 2014)
    • [Paper]
  • "Online and Stochastic Learning with a Human Cognitive Bias"
  • "Healing Truncation Bias : Self-weighted Truncation framework for Dual Averaging"
    • Hidekazu Oiwa, Shin Matsushima, Hiroshi Nakagawa
    • IEEE International Conference on Data Mining (ICDM 2012)
    • [Preprint] [Slides]
Selected Honors / Achievements

Microsoft Research Asia Excellent Internship Award2014

  • Microsoft Research Asia

IPSJ Computer Science Research Award for Young Scientists

Presentation AwardMar, 2011

  • 82th Conference of Mathematical Modeling and Problem Solving.
  • Paper: "L1 regularized online supervised learning using feature frequency."

Enginnering Dean's Award for students

Outstanding Research AwardMar, 2010

  • The University of Tokyo.
  • Paper: "The Economic Impact of Herd Behavior in the Japanese Loan Market."
Programming Skills
  • C++
  • Python
  • JavaScript
Other Links