Rchr
J-GLOBAL ID：202001000316875030   Update date: Jul. 01, 2024

OKUNO Akifumi

オクノ アキフミ | OKUNO Akifumi
Affiliation and department：
The Institute of Statistical Mathematics Department of Fundamental Statistical Mathematics, Statistical Decision-Making Group

About The Institute of Statistical Mathematics Department of Fundamental Statistical Mathematics, Statistical Decision-Making Group


Job title： Assistant Professor
Other affiliations (3)：
Homepage URL  (2)： https://okuno.net/ja ,  https://okuno.net
Research field  (2)： Intelligent informatics ,  Statistical science
Research keywords  (6)： Statistical Machine Learning ,  Mathematical Statistics ,  Neural Network ,  Nonparametric Statistics ,  Manifold Learning ,  Relational Learning
Research theme for competitive and other funds  (2)：
  • 2021 - 2025 属性付き関係データ解析のための予測モデルの検討と不確実性評価法の構築
  • 2017 - 2019 多対多対応を持つデータの分析手法に関する理論研究
Papers (20)：
  • Akifumi Okuno. Minimizing robust density power-based divergences for general parametric density models. Annals of the Institute of Statistical Mathematics. 2024
  • Akifumi Okuno, Yuya Morishita, Yoh-ichi Mototake. Autoregressive with Slack Time Series Model for Forecasting a Partially-Observed Dynamical Time Series. IEEE Access. 2024. 12. 24621-24630
  • Akifumi Okuno, Kazuharu Harada. An interpretable neural network-based non-proportional odds model for ordinal regression. Journal of Computational and Graphical Statistics. 2024
  • Akifumi Okuno, Masaaki Imaizumi. Minimax Analysis for Inverse Risk in Nonparametric Planer Invertible Regression. Electronic Journal of Statistics. 2024. 18. 1. 355-394
  • Akifumi Okuno. A multivariate adaptation of direct kernel estimator of density ratio. CoRR. 2023. abs/2311.12380
ｍore...
MISC (9)：
  • 奥野彰文. 論文解説:一般の確率モデルでの冪密度ダイバージェンス最小化. Jxiv. 2024. 642
  • 奥野彰文, 今泉允聡. 論文解説:可逆関数推定の難しさ - 生成モデルを念頭に. Jxiv. 2024. 616
  • 奥野彰文, 原田和治. 論文解説:順序回帰における柔軟性とドメイン制約のトレードオフ. Jxiv. 2023. 549
  • 奥野彰文, 矢野恵佑. 論文解説:WAIC による過剰パラメータモデルの汎化誤差推定. Jxiv. 2023. 537
  • 操 瑞行, 田中 卓磨, 奥野 彰文, 下平 英寿. マルチスケールk-近傍法における回帰関数および損失関数の検討. 人工知能学会第35回全国大会論文集. 2021
ｍore...
Lectures and oral presentations  (5)：
  • Statistical estimation with integral-based loss functions
    (International Symposium on Recent Advances in Theories and Methodologies for Large Complex Data 2023)
  • ランジュバン動力学を用いた過剰パラメータモデルの汎化ギャップ推定
    (第6回 統計・機械学習若手シンポジウム 2022)
  • Bregman Hyperlink Regression and Its Expressive Power
    (ACML 2019 Workshop on Statistics and Machine Learning Researchers in Japan 2019)
  • Graph Embedding with Shifted Inner Product Similarity and Its Improved Ap-proximation Capability
    (Workshop on Functional Inference and MachineIntelligence 2019)
  • グラフ埋め込みの確率モデルとその性質
    (RIMSワークショップ「高次元量子雑音の統計モデリング」 2018)
Works (1)：
  • R package sgdpd
    Akifumi Okuno 2024 - 現在
Education (4)：
  • 2017 - 2019 Kyoto University Graduate School of Informatics Department of Systems Science
  • 2016 - 2017 Osaka University Graduate School of Engineering Science Department of Systems Innovation Division of Mathematical Science
  • 2014 - 2016 Osaka University Graduate School of Engineering Science Department of Systems Innovation Division of Mathematical Science
  • 2010 - 2014 Osaka University Department of Engineering Science Information Science
Professional career (1)：
  • Doctor of Informatics (Graduate School of Informatics, Kyoto University)
Work history (7)：
  • 2024/03 - 現在 The Institute of Statistical Mathematics Department of Fundamental Statistical Mathematics, Statistical Decision-Making Group Assistant Professor
  • 2022/10 - 現在 The Graduate University for Advanced Studies School of Multidisciplinary Sciences Department of Statistical Science Assistant Professor
  • 2020/10 - 現在 RIKEN Center for Advanced Intelligence Project Visiting Scientist
  • 2020/10 - 現在 The Institute of Statistical Mathematics School of Statistical Thinking Assistant Professor
  • 2024/01 - 2024/02 The Institute of Statistical Mathematics Department of Statistical Inference and Mathematics, Mathematical Statistics Group Assistant Professor
Show all
Awards (4)：
  • 2024/06 - Japan Statistical Society Ogawa Research Award
  • 2023/11 - 第26回情報論的学習理論ワークショップ (IBIS 2023) 優秀プレゼンテーション賞 一般の確率モデルに対するロバストダイバージェンスの最小化
  • 2019/11 - 第22回情報論的学習理論ワークショップ (IBIS 2019) 優秀プレゼンテーション賞 ノンパラメトリックなリンク回帰とその理論的性質について
  • 2017/03 - 日本統計学会春季集会 優秀発表賞 多対多対応を扱う相関分析の一致性について
Association Membership(s) (1)：
The Japan Statistical Society
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