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    (Last updated : 2025-11-16 08:55:41)
  ISHIBASHI, Keisuke

   Professor

   Division of Arts and Sciences, College of Liberal Arts, International Christian University
■ Academic Background
1. 2005/07
Degree Acquisition
The University of Tokyo, Ph.D. in information science and technology
2. 1993/04~1995/03 〔Master Course〕 Mathematical Institute, Graduate School, Division of Natural Science, Tohoku University, Completed, M.S.
3. 1989/04~1993/03 Mathematical Institute, Faculty of Science, Tohoku University, Graduated, B.S.
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■ Professional Background
1. 2023/04~ Professor, Division of Arts and Sciences, College of Liberal Arts, International Christian University
2. 2018/09~2023/03 Associate Professor (New rank system), Division of Arts and Sciences, College of Liberal Arts, International Christian University
3. 2017/04~2018/09 Guest Professor, Osaka University
4. 2013/07~2018/08 Senior Research Engineer, Supervisor, Nippon Telegraph and Telephone Corporation (NTT)
5. 2006/04~2013/06 Senior Research Engineer, Nippon Telegraph and Telephone Corporation (NTT)
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■ Present Specialized Fields
Information network, Communication and network engineering, Information security 
■ Main Course Titles
Computer Network, Network Data Analytics
■ Books and Articles
1. Article Social Dilemma in Internet Routing Security Adoption and its Resolution Possibility through Altruism, Bounded Rationality Applied Network Science 10(58) (Collaboration) 2025/11Link
2. Article Service-Level Objective-Aware Load-Adaptive Timeout: Balancing Failure Rate and Latency in Microservices Communication IEEE Access 13,pp.137881-137895 (Collaboration) 2025/08Link
3. Article Estimating Latent Traffic Demand from QoS Degradation Using a Time Series Causal Inference Approach IEEE Access 12,pp.139346-139357 (Collaboration) 2024/09Link
4. Article Extraction and Prediction of User Communication Behaviors From DNS Query Logs Based on Nonnegative Tensor Factorization IEEE Transactions on Network and Service Management 20(3),pp.2611-2624 (Collaboration) 2023/09Link
5. Article Routing and Capacity Optimization Based on Estimated Latent OD Traffic Demand IEICE Transactions on Communications E104-B(7),pp.781-790 (Collaboration) 2021/07Link
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■ Academic Conference Presentation
1. 2025/11 Effect of QoS Degradation on User Communication Activity in a Remote Desktop Service (Workshop on Internet Architecture and Applications 2025)
2. 2025/11 State Forecasting of Honeybee Comb Cells Using a Spatio-Temporal Graph Neural Network (The 29th International Computer Science and Engineering Conference (ICSEC 2025))
3. 2025/07 Analyzing Strategy Changes in Multi-Agent Games Using Low-Dimensional Embedding (電子情報通信学会コミュニケーションクオリティ研究会 信学技報, vol. 125, no. 94, CQ2025-32, pp. 86-91, 2025年7月.)
4. 2025/07 Latent Probabilistic Modeling of Financial Correlation Matrices Using Student-t Variational Autoencoder (電子情報通信学会コミュニケーションクオリティ研究会 信学技報, vol. 125, no. 94, CQ2025-28, pp. 62-67, 2025年7月.)
5. 2025/07 Spatio-Temporal State Estimation and Prediction Using Graph Neural Networks (電子情報通信学会コミュニケーションクオリティ研究会 信学技報, vol. 125, no. 94, CQ2025-27, pp. 58-61, 2025年7月)
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■ Lectures
1. 2023/08 Social Dilemma and Network Effect in Adoption of Network Security Countermeasures
2. 2017/11 Network Management Empowered by AI
3. 2014/09 Proactive Network Operation through Network Data Analytics
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■ Academic Society Memberships
1. 2023~ Information Processing Society of Japan
2. 2018~ Japan Society for Software Science and Tehcnology
3. 2001~ Institute of Electrical and Electronics Engineers (IEEE)
4. 1996~ he Institute of Electronics, Information and Communication Engineers (IEICE)
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■ Academic Awards
1. 2019/09 IEICE Communications Society:Distinguished Contributions Award
2. 2019/06 IEICE Best Paper Award (Separating Predictable and Unpredictable Flows via Dynamic Flow ining for Effective Traffic Engineering)
3. 2019/03 IEICE Information Network Research Award
4. 2017/03 IEICE Information Communication Management Research Award
5. 2016/06 IEICE Internet Architecture Research Award
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■ Research Topics, Funded Research, and Grants-in-Aid for Scientific Research
1. 2025/04~  "Study on Resource Optimization Control for Information and Physical Infrastructure to Mitigate Social Dilemmas  (Key Word : )
2. 2022/04~  Analysis of Cooperative Behavior and Incentive Mechanisms in Internet Security Measures  (Key Word : )
3. 2019/04~2025/03  Estimating Latent Demand for ICT Systems and Its Application to Designing and Controlling ICT Resources  (Key Word : )
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■ Social Activities
1. 2020/02~2023/03 Personal Information Committee of the City of Mitaka
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■ Committees and Societies
1. 2025/04~2025/07 13th International Workshop on Architecture, Design, Deployment, and Management of Networks and Applications (ADMNET 2025) Technical Program Committee Member
2. 2024/11~2025/06 IEEE International Conference on Communications (IEE ICC 2025) Technical Program Committee Member
3. 2024/04~2024/07 12th International Workshop on Architecture, Design, Deployment, and Management of Networks and Applications (ADMNET 2024) Organizer
4. 2023/11~2024/06 IEEE International Conference on Communications (IEE ICC 2024) Technical Program Committee Member
5. 2023/11~2024/02 International Conference on Artificial Intelligence in Information and Communication (ICAIIC 2024) Technical Program Committee Member
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■ Websites
   Lab web site
■ E-Mail Addresses
  kyoin_mail
■ Grants-in-aid for Scientific Research Researcher Number
20710271