Research theme for competitive and other funds (6):
2021 - 2024 DevOpsにおいて効率的にセキュリティ品質確保を行う技術の研究
2016 - 2021 Trace ANY: tracing any software in any direction to support software system maintenance and evolution
2017 - 2020 A learning environment based on a rationale model associating of artifacts with knowledge on security and privacy
2016 - 2019 Research on attack probability using formal methods
2015 - 2019 Integrated Framework of Security and Privacy Requirements Engineering
2014 - 2017 A Security Modeling Learning Environment Integrating a Modeling Tool with Software Security Knowledge Base
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Papers (81):
Shuhei Ippa, Takao Okubo, Masaki Hashimoto. The Relationship Between Emotional and Other Factors in Information Diffusion. IEEE Access. 2025
Shuhei Ippa, Takao Okubo, Masaki Hashimoto. The Reality and Feature Analysis of Information Diffusion in Japanese Disinformation Examples. 2024 19th Asia Joint Conference on Information Security (AsiaJCIS). 2024. 137-142
Shuhei Ippa, Takao Okubo, Masaki Hashimoto. An Analysis of Social Bot Activity on X in Modern Japan. IEEE Access. 2024. 1-1
Rikuho Miyata, Hironori Washizaki, Kensuke Sumoto, Nobukazu Yoshioka, Yoshiaki Fukazawa, Takao Okubo. Identifying missing relationships of CAPEC attack patterns by transformer models and graph structure. SVM. 2023. 14-17
Michio Kunimoto, Takao Okubo. Analysis and Consideration of Detection Methods to Prevent Fraudulent Access by Utilizing Attribute Information and the Access Log History. Journal of Information Processing. 2023. 31. 602-608
IEEE
, JAPAN SOCIETY FOR SOFTWARE SCIENCE AND TECHNOLOGY
, THE SOCIETY OF INSTRUMENT AND CONTROL ENGINEERS
, THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS
, 情報処理学会