Researcher Database

Koizumi Daiki

Department of Information and Management Science Professor
Last Updated :2023/10/06

Researcher Information

Affiliation

    Department of Information and Management Science

Job Title

  • Professor

Degree

  • Doctor of Engineering

J-Global ID

Research Interests

  • Bayes Decisoin Theory   Bayesian Statistics   

Research Areas

  • Informatics / Statistical science / Bayesian Statistics, Statistical Decision Theory, Probabilistic Models

Academic & Professional Experience

  • 2021/10 - Today  Otaru University of CommerceFaculty of Commerce, Department of Information and Management ScienceProfessor
  • 2015/04 - 2021/09  Otaru University of CommerceFaculty of Commerce, Department of Information and Management ScienceAssosiate Professor

Association Memberships

  • The Institute for Systems and Technologies of Information, Control and Communication (INSTICC)   The International Society for Bayesian Analysis (ISBA)   The Institute of Electronics, Information and Communication Engineers (IEICE)   

Published Papers

  • Daiki Koizumi
    Proceedings of the 15th International Conference on Agents and Artificial Intelligence (ICAART2023) SCITEPRESS - Science and Technology Publications 3 193 - 201 2023/02 [Reviewed]
     International conference proceedings
  • Daiki Koizumi
    Proceedings of the 13th International Conference on Agents and Artificial Intelligence (ICAART2021) SCITEPRESS - Science and Technology Publications 2 957 - 965 2021/02 [Reviewed]
     International conference proceedings
  • Daiki Koizumi
    Proceedings of the 12th International Conference on Agents and Artificial Intelligence (ICAART2020) SCITEPRESS 2 995 - 1002 2020/02 [Reviewed]
     International conference proceedings
  • Bayesian Estimation of Hard Disk Drives' Lifetime under Gamma Distribution
    Daiki Koizumi
    International Society for Bayesian Analysis (ISBA) 2018 World Meeting 2018/06 [Reviewed]
     International conference proceedings
  • On the Maximum Likelihood Estimation of Weibull Distribution with Lifetime Data of Hard Disk Drives
    Daiki Koizumi
    Proceedings of the 2017 International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA'17) 314 - 320 2017/07 [Reviewed]
     International conference proceedings
  • Michio Sonoda; Takeshi Matsuda; Daiki Koizumi
    2016 IEEE INTERNATIONAL CONFERENCE ON SYSTEMS, MAN, AND CYBERNETICS (SMC) IEEE 802 - 807 1062-922X 2016/10 [Reviewed]
     International conference proceedings
  • Norihiro Kamide; Daiki Koizumi
    Journal of Advanced Computational Intelligence and Intelligent Informatics 20 (5) 813 - 827 1883-8014 2016/09 [Reviewed]
     Scientific journal
  • On the Weibull Distribution with Nonstationary Scale Parameter
    Daiki Koizumi
    Proc. of the International Society for Bayesian Analysis (ISBA) 2016 World Meeting 323 - 323 2016/06 [Reviewed]
     International conference proceedings
  • Norihiro Kamide; Daiki Koizumi
    Proc. of The 7th International Conference on Agents and Artificial Intelligence (ICAART) 2015 2 285 - 293 2015/01 [Reviewed]
     International conference proceedings
  • SQL Injection Attack Detection with Contingency Table
    Daiki Koizumi; Takeshi Matsuda; Hajime Jinushi
    Proceeding of The International Symposium on Information Theory and Its Applications (ISITA2014) 340 - 340 2014/10 [Reviewed]
     International conference proceedings
  • Shigeichi Hirasawa; Makoto Nakazawa; Daiki Koizum; Tomoko Kondo
    2014 IEEE INTERNATIONAL CONFERENCE ON SYSTEMS, MAN AND CYBERNETICS (SMC) IEEE 3241 - 3246 1062-922X 2014/10 [Reviewed]
     International conference proceedings
  • Makoto Nakazawa; Daiki Koizumi; Shigeichi Hirasawa
    2012 MOSHARAKA INTERNATIONAL CONFERENCE ON COMMUNICATIONS, COMPUTERS AND APPLICATIONS (MIC-CCA) IEEE 174 - 178 2012/10 [Reviewed]
     International conference proceedings
  • Takeshi Matsuda; Daiki Koizumi; Michio Sonoda
    2012 MOSHARAKA INTERNATIONAL CONFERENCE ON COMMUNICATIONS, COMPUTERS AND APPLICATIONS (MIC-CCA) IEEE 65 - 70 2012/10 [Reviewed]
     International conference proceedings
  • Daiki Koizumi; Takeshi Matsuda; Michio Sonoda
    2012 MOSHARAKA INTERNATIONAL CONFERENCE ON COMMUNICATIONS, COMPUTERS AND APPLICATIONS (MIC-CCA) IEEE 131 - 135 2012/10 [Reviewed]
     International conference proceedings
  • A Learning Algorithm of Threshold Value on the Automatic Detection of SQL Injection Attack
    Daiki Koizumi; Takeshi Matsuda; Michio Sonoda; Shigeichi Hirasawa
    Proceeding of The 2012 International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA'12) 2 933 - 937 2012/07 [Reviewed]
     International conference proceedings
  • On the Loss Functions of Bayesian Forecasting for WWW Traffic based on Time Varying Poisson Distribution
    Daiki Koizumi
    Proceeding of the 11th World Meeting for the International Society for Bayesian Analysis (ISBA) 2012 124 - 124 2012/06 [Reviewed]
     International conference proceedings
  • Predictive Distribution of SQL Injection Attacks Detection Model
    Takeshi Matsuda; Michio Sonoda; Daiki Koizumi; Shigeichi Hirasawa
    Proceeding of the 11th World Meeting for the International Society for Bayesian Analysis (ISBA) 2012 133 - 133 2012/06 [Reviewed]
     International conference proceedings
  • Markov Chain Monte Carlo Method Simulation of SQL Injection Attack Detection
    Michio Sonoda; Takeshi Matsuda; Daiki Koizumi; Shigeichi Hirasawa
    Proceeding of the 11th World Meeting for the International Society for Bayesian Analysis (ISBA) 2012 155 - 155 2012/06 [Reviewed]
     International conference proceedings
  • Michio Sonoda; Takeshi Matsuda; Daiki Koizumi; Shigeichi Hirasawa
    Proceedings of the 4th international conference on Security of information and networks (SIN2011) 81 - 86 2011/11 [Reviewed]
     International conference proceedings
  • Takeshi Matsuda; Daiki Koizumi; Michio Sonoda; Shigeichi Hirasawa
    2011 IEEE INTERNATIONAL CONFERENCE ON SYSTEMS, MAN, AND CYBERNETICS (SMC) IEEE 1722 - 1727 1062-922X 2011/10 [Reviewed]
     International conference proceedings
  • On the Bayesian Forecasting Algorithm under the Non-Stationary Binomial Distribution with the Hyper Parameter Estimation
    Daiki Koizumi; Tota Suko; Toshiyasu Matsushima
    Proceeding of Ninth Valencia International Meeting on Bayesian Statistics 167 - 168 2010/06 [Reviewed]
     Symposium
  • On the Hyperparameter Estimation of Time Varying Poisson Model for Bayesian WWW Traffic Forecasting
    Daiki Koizumi; Toshiyasu Matsushima; Shigeichi Hirasawa
    Proceeding of 2nd International Workshop of the European Research Consortium on Infomatics and Mathematics (ERCIM) Working Group on Computing & Statistics 22 - 22 2009/10 [Reviewed]
     International conference proceedings
  • Daiki Koizumi; Toshiyasu Matsushima; Shigeichi Hirasawa
    Proceeding of The 2009 International Conference on Parallel and Distributed Processing Techniques and Applications (PDPTA'09) 2 683 - 689 2009/07 [Reviewed]
     International conference proceedings
  • Daiki Koizumi; Naoto Kobayashi; Toshiyasu Matsushima; Shigeichi Hirasawa
    IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG E90A (9) 1736 - 1744 0916-8508 2007/09 [Reviewed]
     Scientific journal
  • Naoto Kobayashi; Daiki Koizumi; Toshiyasu Matsushima; Shigeichi Hirasawa
    IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG E89A (10) 2475 - 2480 0916-8508 2006/10 [Reviewed]
     Scientific journal

Conference Activities & Talks

  • パラメータが確率的に非定常変化する場合のベイズ的予測アルゴリズムとその応用
    小泉 大城
    電子情報通信学会北海道支部 平成28年度専門講習会(於 北見工業大学)  2016/10
  • クラウドコンピューティング環境における次世代eラーニングスタイル
    小泉 大城
    次世代eラーニングフォーラム(主催:青山学院大学ヒューマン・イノベーション研究センター,早稲田大学遠隔教育センター)  2012/07
  • 変化の激しいIT社会を生き抜くには ~ 統計の考え方の活用 ~
    小泉 大城
    首都圏コンピュータ技術者株式会社(MCEA)主催セミナー  2012/01
  • 非定常ポアソン過程を用いたネットワークトラヒック解析について
    小泉 大城
    芝浦工業大学理工学部数理科学科 第13回談話会  2010/10
  • ベイズ法に基づくデータ圧縮法について
    小泉 大城
    芝浦工業大学システム工学部 談話会  2008/06
  • The Generalization of Bayesian Network's Deductive Method
    Daiki Koizumi; Yoshifumi Ukita; Toshiyasu Matsushima
    The 1999 Sigma Xi, The Scientific Research Society, Florida Tech Chapter  1999/04

MISC

Awards & Honors

  • 2015/03 Information Processing Society of Japan Best Paper Award of the 77th National Convention of IPSJ
     詳細な学習ログを用いた英語リーディング過程の分析~リーディング過程における学習者モデル~ japan_society 
    受賞者: Makoto Nakazawa;Katsuyuki Umezawa;Manabu Kobayashi;Daiki Koizumi;Masayuki Goto;Shigeichi Hirasawa
  • 2012/03 Information Processing Society of Japan Best Paper Award of the 74th National Convention of IPSJ
     仮想化デスクトップを用いたeラーニング~通信環境と端末が及ぼす影響 japan_society 
    受賞者: Makoto Nakazawa;Daiki Koizumi;Katsuyuki Umezawa;Shigeichi Hirasawa
  • 2009/03 (財)日本数学検定協会 平成20年度 生涯学習功労賞
     JPN publisher
  • 2008/03 (財)日本数学検定協会 平成19年度 生涯学習功労賞
     JPN publisher
  • 2007/03 (財)日本数学検定協会 平成18年度 生涯学習功労賞
     JPN publisher
  • 2006/03 (財)日本数学検定協会 平成17年度 生涯学習功労賞
     JPN publisher

Research Grants & Projects

Teaching Experience

  • Linear Algebra  (Otaru University of Commerce) 
  • Calculus  (Otaru University of Commerce) 
  • Information System  (Otaru University of Commerce) 

Media Coverage

  • 【連載】統計のお時間ですよ!第9回「統計と社会のかかわり」
    Date : 2016/03
    Writer: Myself
    Publisher, broadcasting station: サービス・ツーリズム産業労働情報開発センター
    Program, newspaper magazine: SQUARE Vol. 181
    pp. 24-27 Pr
  • 【連載】統計のお時間ですよ!第8回「ベイズの定理のはなし」
    Date : 2015/12
    Publisher, broadcasting station: サービス・ツーリズム産業労働情報開発センター
    Program, newspaper magazine: SQUARE Vol. 180
    pp. 24-27 Pr
  • 【連載】統計のお時間ですよ!第7回「条件つき確率のはなし」
    Date : 2015/09
    Publisher, broadcasting station: サービス・ツーリズム産業労働情報開発センター
    Program, newspaper magazine: SQUARE Vol. 179
    pp. 26-29 Pr
  • 【連載】統計のお時間ですよ!第6回「勝手に統計今昔ものがたり(2)」
    Date : 2015/06
    Publisher, broadcasting station: サービス・ツーリズム産業労働情報開発センター
    Program, newspaper magazine: SQUARE Vol. 178
    pp. 24-27 Pr
  • 【連載】統計のお時間ですよ!第5回「勝手に統計今昔ものがたり(1)」
    Date : 2015/03
    Writer: Myself
    Publisher, broadcasting station: サービス・ツーリズム産業労働情報開発センター
    Program, newspaper magazine: SQUARE Vol. 177
    pp. 24-27 Pr
  • 【連載】統計のお時間ですよ! 第4回「期待値のはなし」
    Date : 2014/12
    Publisher, broadcasting station: サービス・ツーリズム産業労働情報開発センター
    Program, newspaper magazine: SQUARE Vol. 176
    pp. 24-27 Pr
  • 【連載】統計のお時間ですよ! 第3回「データの特徴の把握」
    Date : 2014/09
    Writer: Myself
    Publisher, broadcasting station: サービス・ツーリズム産業労働情報開発センター
    Program, newspaper magazine: SQUARE Vol. 175
    pp. 26-29 Pr
  • 【連載】統計のお時間ですよ! 第2回「アンケート」
    Date : 2014/06
    Writer: Myself
    Publisher, broadcasting station: サービス・ツーリズム産業労働情報開発センター
    Program, newspaper magazine: SQUARE Vol. 174
    pp. 24-27 Pr
  • 【連載】統計のお時間ですよ! 第1回「当確のからくり」
    Date : 2014/03
    Writer: Myself
    Publisher, broadcasting station: サービス・ツーリズム産業労働情報開発センター
    Program, newspaper magazine: SQUARE Vol. 173
    pp. 24-27 Pr
  • 「デジタル機器の指はなん本?」
    Date : 2011/12
    Writer: Myself
    Publisher, broadcasting station: レジャー・サービス産業労働情報開発センター (RIC)
    Program, newspaper magazine: SQUARE Vol. 164
    pp. 1-5 Pr


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