Rchr
J-GLOBAL ID:201401045046063149   Update date: Apr. 19, 2024

Ubukata Seiki

ウブカタ セイキ | Ubukata Seiki
Affiliation and department:
Job title: Associate Professor
Homepage URL  (1): https://www.omu.ac.jp/i/ci/profs/ubukata/
Research field  (3): Sensitivity (kansei) informatics ,  Soft computing ,  Information theory
Research keywords  (6): Clustering ,  Data mining ,  Soft computing ,  Kansei Engineering ,  Multi-Agent System ,  Rough Sets
Research theme for competitive and other funds  (7):
  • 2022 - 2026 強化学習における政策・時空間・ハイパーパラメータの分節化と最適化,その統合
  • 2022 - 2025 協調的なファジィクラスタリングと説明可能AIに関する研究
  • 2020 - 2023 New Development of Clustering Methods Considering Uncertainty Based on Rough Set Theory
  • 2018 - 2021 完全オンライン型強化学習システムにおける時間と空間の分節化
  • 2018 - 2021 多モードファジィ共クラスタリングと高度推薦システムへの応用に関する研究
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Papers (115):
  • Seiki Ubukata, Tomohiro Kawakami, Katsuhiro Honda. Adaptive Online Rough C-Means Clustering and Its Application to Collaborative Filtering. Proc. of 2022 IEEE Symposium Series on Computational Intelligence (SSCI). 2022. IEEE-SSCI22-261. 368-373
  • Kohei Kunisawa, Katsuhiro Honda, Seiki Ubukata, Akira Notsu. Fuzzy c-Lines for Vertically Distributed Database with Missing Values. Proc. of 2022 Joint 12th International Conference on Soft Computing and Intelligent Systems and 23rd International Symposium on Advanced Intelligent Systems (SCIS&ISIS). 2022. T-1-A-3. 1-6
  • Katsuhiro Honda, Satoshi Hyakutake, Seiki Ubukata, Akira Notsu. Handling of Missing Values in FCM Clustering-based ANFIS with Partial Distance Strategy. Proc. of 2022 Joint 12th International Conference on Soft Computing and Intelligent Systems and 23rd International Symposium on Advanced Intelligent Systems (SCIS&ISIS). 2022. T-1-A-2. 1-6
  • Seiki Ubukata, Kenryu Mouri, Katsuhiro Honda. Basic Consideration of Collaborative Filtering Based on Rough Co-clustering Induced by Multinomial Mixture Models. Proc. of 2022 Joint 12th International Conference on Soft Computing and Intelligent Systems and 23rd International Symposium on Advanced Intelligent Systems (SCIS&ISIS). 2022. F-2-C-1. 1-6
  • Katsuhiro Honda, Koki Kitamori, Seiki Ubukata, Akira Notsu. A Noise Clustering-induced Robust Adaptive Network-based Fuzzy Inference System for Classification. Proc. of 2022 International Joint Conference on Neural Networks (IJCNN). 2022. #958. 1-7
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MISC (20):
  • Pattern Classification and Clustering. 2021. 33. 2. 40-40
  • Seiki Ubukata. Rough Clustering. Journal of Japan Society for Fuzzy Theory and Intelligent Informatics. 2020. 32. 4. 145-145
  • Seiki Ubukata. ラフ集合に基づくC-Means型クラスタリングの展開. Journal of Japan Society for Fuzzy Theory and Intelligent Informatics. 2020. 32. 4. 121-127
  • FSS2019開催報告. Journal of Japan Society for Fuzzy Theory and Intelligent Informatics. 2020. 32. 1. 13-14
  • Text Mining Based on Noise Clustering-Based Possibilistic Co-Clustering Induced by Multinomial Mixture Model. 2017. 61. 5p
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Lectures and oral presentations  (82):
  • 楕円体状クラスタリングを用いたANFISネットワークの前件部構築の改良
    (第67回システム制御情報学会研究発表講演会 2023)
  • k-Means型スイッチングFactorization Machineによる協調フィルタリング
    (第67回システム制御情報学会研究発表講演会 2023)
  • JADEにおける解の更新割合に基づいた集団外探索の追加
    (計測自動制御学会 システム情報部門 学術講演会2022 (SSI2022) 2022)
  • Rough C-Means クラスタリングに基づく協調フィルタリングにおける種々の次元削減手法の活用
    (計測自動制御学会 システム情報部門 学術講演会2022 (SSI2022) 2022)
  • Probabilistic Rough Set C-Meansクラスタリングに基づく協調フィルタリングに関する基礎的検討
    (第65回自動制御連合講演会 2022)
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Education (2):
  • 2007 - 2014 Hokkaido University Graduate School of Information Science and Technology Division of Computer Science
  • 2002 - 2007 Hokkaido University School of Engineering Department of Information Engineering
Professional career (3):
  • Ph.D. (Information Science and Technology) (Hokkaido University)
  • Master of Information Science and Technology (Hokkaido University)
  • Bachelor of Engineering (Hokkaido University)
Work history (6):
  • 2022/04 - 現在 Osaka Metropolitan University Graduate School of Informatics Associate Professor
  • 2020/04 - 2022/03 Osaka Prefecture University Graduate School of Engineering Division of Electrical Engineering and Information Science Associate Professor
  • 2015/04 - 2020/03 Osaka Prefecture University Graduate School of Engineering Division of Electrical Engineering and Information Science Assistant Professor
  • 2014/04 - 2015/03 Osaka University Graduate School of Engineering Science Department of Systems Innovation Division of Mathematical Science for Social Systems Assistant Professor
  • 2009/05 - 2014/03 Hokkaido University Graduate School of Information Science and Technology Division of Computer Science Research Assistant
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Committee career (27):
  • 2023/06 - 現在 日本知能情報ファジィ学会 理事
  • 2021/04 - 現在 Task Force on Continual Learning and Emergence of Intelligent Systems Secretary
  • 2020/11 - 現在 Computational Science Research Institute Researcher
  • 2019/10 - 現在 Journal of Advanced Computational Intelligence and Intelligent Informatics (JACIII) Editorial Board, Editorial Member
  • 2017/04 - 現在 Japan Society for Fuzzy Theory and Intelligent Informatics Project Committee
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Awards (23):
  • 2023/09 - FSS2023実行委員会 FSS優秀発表賞 粒状性を考慮したラフ集合ベースの混合多項分布型共クラスタリングに基づく協調フィルタリング
  • 2022/09 - Fuji Technology Press Ltd. Best Paper Award 2022 Three-Mode Fuzzy Co-Clustering Based on Probabilistic Concept and Comparison with FCM-Type Algorithms
  • 2022/09 - 30th Symposium on Fuzzy, Artificial Intelligence, Neural Networks and Computational Intelligence committee Presentation Award Collaborative Filtering Based on Objective Function-Based Rough Membership C-Means Clustering
  • 2022/09 - 38th Fuzzy System Symposium committee Fuzzy Special Session Presentation Award Utilization of Various Dimensionality Reduction Methods in Collaborative Filtering Based on Rough C-Means Clustering
  • 2021/09 - FANシンポジウム運営委員会 Excellent Paper Award A Study of Automatic Update of Fuzzy Membership in Fuzzy Factorization Machine
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Association Membership(s) (4):
IEEE ,  THE INSTITUTE OF SYSTEMS, CONTROL AND INFORMATION ENGINEERS ,  JAPAN SOCIETY OF KANSEI ENGINEERING ,  JAPAN SOCIETY FOR FUZZY THEORY AND INTELLIGENT INFORMATICS
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