Research field (3)：
Mathematical informatics
, Information security
, Applied mathematics and statistics
Research theme for competitive and other funds (4)：
2024 - 2027 A Study on Secure Codes and Traitor Tracing Algorithms for Copyright Protection
2021 - 2024 A Study on Combinatorial Traitor Tracing Schemes for Broadcast Encryption
2022 - 2023 Evaluating and Enhancing the Reliability of Semi-Supervised Learning
Combinatorial Approach to Machine Learning
Papers (26)：
Yixuan Liu, Yuhan Liu, Li Xiong, Yujie Gu, Hong Chen. Enhanced Privacy Bound for Shuffle Model with Personalized Privacy. 33rd ACM International Conference on Information and Knowledge Management (CIKM). 2024
Yujie Gu, Ilya Vorobyev, Ying Miao. Secure Codes With List Decoding. IEEE Transactions on Information Theory. 2024. 70. 4. 2430-2442
Kaito Taguchi, Yujie Gu, Kouichi Sakurai. The Impact of Prompts on Zero-Shot Detection of AI-Generated Text. AISafety@IJCAI. 2024
Jinping Fan, Yujie Gu, Ying Miao, Zhebin Yu. List-Decoding Separable Matrices for Non-Adaptive Combinatorial Group Testing. IEEE International Symposium on Information Theory (ISIT). 2024
田口魁人, 顧玉杰, 櫻井幸一. Empirical Evaluation of a Likelihood-based Zero-shot Detector for AI-generated Text Using Prompts. IPSJ Technical Report. 2024. 2024. DPS-198. No.43,1-7
Kaito Taguchi, Yujie Gu, Kouichi Sakurai. Empirical Approach to Fine-Tuning Using Forgetting in Large Language Models. Smart Innovation, Systems and Technologies. 2024
田口魁人, 顧玉杰, 櫻井幸一. Empirical evaluation of a fine-tuning method using forgetting in large language models. コンピュータセキュリティシンポジウム2023論文集. 2023. 1574-1580
Experimental Accuracy Evaluation of Reconstructed Images in Model Inversion Attacks. 2023. 1181-1186
Issei Murata, Pengju He, Yujie Gu, Kouichi Sakurai. Towards Evaluating the Security of Human Computable Passwords Using Neural Networks. Information Security Applications. 2023. 303-312
Combinatorial secure codes for traitor tracing
(The ninth Canadian Discrete and Algorithmic Mathematics Conference, University of Manitoba and University of Winnipeg, Canada 2023)
A mathematical study of copyright protection
(Asian Deans' Forum 2022 - The Rising Stars Women in Engineering Workshop, University of New South Wales, Sydney, Australia 2022)
Privacy Protection in Information Retrieval via Graph Edge Colorings
(Data Science Institute, Shandong University 2022)
Private information retrieval over graphs
(Forum on Information Technology 2022, Keio University 2022)
2022 - 2023 The 18th International Workshop on Security (IWSEC) 2023 Organizing Committee
2021 - 2021 Japanese Conference on Combinatorics and its Applications 2021 Organizing Committee
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Awards (4)：
2023/03 - Funai Information Science Promotion Foundation Funai Information Technology Award for Young Researchers
2022/10 - Kyushu University Sanae-I. Itoh Award
2022/03 - The Institute of Combinatorics and its Applications Kirkman Medal
2018/03 - Graduate School of Systems and Information Engineering, University of Tsukuba Dean Award
Association Membership(s) (4)：
The Japanese Society for Artificial Intelligence
, The Mathematical Society of Japan
, The Institute of Combinatorics and its Applications
, IEEE Information Theory Society
