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J-GLOBAL ID：201501037290625048   Update date: Nov. 18, 2024

Sakata Ayaka

サカタ アヤカ | Sakata Ayaka
Affiliation and department：
The Institute of Statistical Mathematics Department of Fundamental Statistical Mathematics

About The Institute of Statistical Mathematics Department of Fundamental Statistical Mathematics


Job title： Associate Professor
Homepage URL  (1)： http://www.ism.ac.jp/~ayaka/
Research field  (2)： Mathematical physics and basic theory ,  Soft computing
Research keywords  (4)： Statistical Physics ,  Statistical Science ,  Statistical Machine Learning ,  Evolutional biology
Research theme for competitive and other funds  (11)：
  • 2023 - 2027 確率的推論によるデータ取得とデータ解析の包括的最適化
  • 2022 - 2027 Statistical mechanics approach to high-dimensional machine learning
  • 2020 - 2024 大自由度生命システムの次元縮減:検証、理論化、生物状態論及び神経系学習への展開
  • 2019 - 2023 求解軌道のマクロ表現によるアルゴリズム制御理論の創出
  • 2019 - 2022 階層モデルにおけるベイズ的スパース推定に対するモデル選択理論の構成
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Papers (27)：
  • Shuhei Kashiwamura, Ayaka Sakata, Masaaki Imaizumi. Effect of Weight Quantization on Learning Models by Typical Case Analysis. 2024 IEEE International Symposium on Information Theory (ISIT). 2024. 357-362
  • Ayaka Sakata, Kunihiko Kaneko. Evolutionary Shaping of Low-Dimensional Path Facilitates Robust and Plastic Switching Between Phenotypes. Physical Review Research. 2023. 5. 4. 043296
  • Ayaka Sakata, Yoshiyuki Kabashima. Decision Theoretic Cutoff and ROC Analysis for Bayesian Optimal Group Testing. IEEE Transactions on Information Theory. 2023. 69. 9. 5902-5920
  • Ayaka Sakata. Prediction errors for penalized regressions based on generalized approximate message passing. Journal of Physics A: Mathematical and Theoretical. 2023
  • 坂田綾香, 樺島祥介. ベイズ的グループテストのカットオフ値評価とROC解析. 統計数理. 2022. 70. 1. 89-114
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MISC (9)：
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Lectures and oral presentations  (113)：
  • 1段階レプリカ対称性の破れを考慮した非凸性アニーリング
    (IBIS2024 2024)
  • 自己蒸留におけるソフトラベルの役割
    (IBIS2024 2024)
  • The Role of Soft Labels in Self Distillation
    (ISPI2024 2024)
  • 自由エネルギー地形から理解する確率的推論
    (日本物理学会第79回年次大会 領域3、11、12合同シンポジウム「データ科学を活用した自由エネルギー解析:物質構造と材料機能の接続に向けて」 2024)
  • 知識蒸留におけるソフトラベルに関する可解モデル解析
    (機械学習若手の会 2024)
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Professional career (1)：
  • Ph.D. (The University of Tokyo)
Work history (5)：
  • 2020/04 - 現在 The Institute of Statistical Mathematics Associate Professor
  • 2015/04 - 2020/03 The Institute of Statistical Mathematics Assistant Professor
  • 2014/04 - 2015/03 RIKEN Special PostDoctoral Researcher
  • 2011/04 - 2014/03 Tokyo Institute of Technology Department of Computational Intelligence and Systems Science JSPS Research Fellow (PD)
  • 2008/04 - 2011/03 University of Tokyo Graduate school of Arts and Sciences JSPS Research Fellow (DC1)
Committee career (3)：
  • 2024 - 現在 The Japan Statistical Society General Affairs Committee
  • 2021 - Japanese Journal of Statistics and Data Science編集委員
  • 2016/10 - 2017/09 日本物理学会 領域11運営委員
Awards (5)：
  • 2019/04 - Ministry of Education, Culture, Sports, Science and Technology The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology, The Young Scientists’ Prize Statistical Machine Learning based on spin-glass theory
  • 2017/11 - IBIS2017 Presentation Award Message Passing for nonconvex sparse penalties and its convergence condition
  • 2017/06 - Shiseido Female Researcher Science Grant
  • 2014/12 - SITA Awards
  • 2012/11 - IBIS2012 Poster Awards
Association Membership(s) (3)：
THE JAPAN STATISTICAL SOCIETY ,  THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS ,  THE PHYSICAL SOCIETY OF JAPAN
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