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2016 Fiscal Year Annual Research Report

Onsite Transfer Learning

Research Project

Project/Area Number 15H06823
Research InstitutionThe Institute of Statistical Mathematics

Principal Investigator

柳 松  統計数理研究所, 統計的機械学習研究センター, 特任助教 (80760579)

Project Period (FY) 2015-08-28 – 2017-03-31
KeywordsArtificial Intelligence / Machine Learning / Transfer Learning / Density Ratio Estimation
Outline of Annual Research Achievements

Our project "onsite transfer learning (現地の転移学習)" finishes this year. In summary, all research activities under this grant has been conducted as it was planned, and most of the research targets have been met. Moreover, this research project has inspired us with new ideas that we believe are important and should be investigated in near future.

Specifically, We have 1) obtained an effective estimator for conditional density ratio, which can be solved efficiently without using expensive computational resources. 2) We have shown in our experiments, in many tasks, such conditional density ratio estimator can help us transfer a pre-trained classifier given limited number of samples. 3) This estimator is shown to be theoretically consistent under mild conditions.

Research Progress Status

28年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

28年度が最終年度であるため、記入しない。

  • Research Products

    (6 results)

All 2017 2016

All Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (3 results) (of which Invited: 3 results) Funded Workshop (2 results)

  • [Journal Article] Learning Sparse Structural Changes in High-dimensional Markov Networks: A Review on Methodologies and Theories2016

    • Author(s)
      Liu, S., Fukumizu, K., Suzuki, T.
    • Journal Title

      Behaviormetrika

      Volume: 44 Pages: 44: 265

    • DOI

      10.1007/s41237-017-0014-z

    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
  • [Presentation] Recent Developments on Learning Changes between Graphical Models2017

    • Author(s)
      Song Liu
    • Organizer
      2017 Probabilistic Graphical Model Workshop at ISM
    • Place of Presentation
      The Institute of Statistical Mathematics
    • Year and Date
      2017-02-24 – 2017-02-24
    • Invited
  • [Presentation] Structure learning of partitioned Markov networks2016

    • Author(s)
      Song Liu
    • Organizer
      ERATO感謝祭, National Institute of Informatics
    • Place of Presentation
      National Institute of Informatics, Tokyo
    • Year and Date
      2016-08-10 – 2016-08-10
    • Invited
  • [Presentation] Structure learning of partitioned Markov networks2016

    • Author(s)
      Song Liu
    • Organizer
      MIRU2016-The 19th Meeting on Image Recognition and Understanding
    • Place of Presentation
      Hamamatsu
    • Year and Date
      2016-08-04 – 2016-08-04
    • Invited
  • [Funded Workshop] Neural Information Processing2016

    • Place of Presentation
      Barcelona, Spain
    • Year and Date
      2016-12-05 – 2016-12-10
  • [Funded Workshop] SIAM International Conference on Data Mining2016

    • Place of Presentation
      Miami, USA
    • Year and Date
      2016-05-05 – 2016-05-07

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Published: 2018-01-16  

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