Murakami Takao

ムラカミタカオ | Murakami Takao

Affiliation and department：
Job title： Associate Professor
Homepage URL (2)： https://sites.google.com/view/takaomurakami-jp , https://sites.google.com/view/takaomurakami

Research field (4)： Intelligent informatics , Database science , Statistical science , Information security

Research keywords (3)： Privacy-Preserving Machine Learning , Privacy-Preserving Data Analysis , differential privacy

Research theme for competitive and other funds (9)：

2022 - 2027 分散型ソーシャルグラフに向けた差分プライバシー技術
2019 - 2024 あらゆる高機能暗号方式の相互変換を可能にするアジャイルクリプト技術
2018 - 2023 オープンな評価コンテストによる匿名加工アルゴリズムとリスク評価の研究
2019 - 2022 大規模なパーソナルデータに向けた局所型プライバシー保護技術の研究
2016 - 2019 短い秘密情報に基づいた認証技術と鍵管理技術に関する研究開発

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Papers (66)：

Takao Murakami, Yuichi Sei, Reo Eriguchi. Augmented Shuffle Protocols for Accurate and Robust Frequency Estimation under Differential Privacy. Proceedings of the 46th IEEE Symposium on Security and Privacy (S&P 2025) (to appear). 2025
Seira Hidano*, Takao Murakami* (*: equal contribution). Degree-Preserving Randomized Response for Graph Neural Networks under Local Differential Privacy. Transactions on Data Privacy. 2024. 17. 2. 89-121
Reo Eriguchi, Kazumasa Shinagawa, Takao Murakami. Card-based Cryptography Meets Differential Privacy. Proceedings of the 12th International Conference on Fun with Algorithms (FUN 2024). 2024. 12:1-12:20
Shang Liu, Yang Cao, Takao Murakami, Jinfei Liu, Masatoshi Yoshikawa. CARGO: Crypto-Assisted Differentially Private Triangle Counting without Trusted Servers. Proceedings of the 40th International Conference on Data Engineering (ICDE 2024). 2024. 1671-1684
Jun Narita, Takao Murakami, Hideitsu Hino, Masakatsu Nishigaki, Tetsushi Ohki. Synthesizing Differentially Private Location Traces Including Co-Locations. International Journal of Information Security. 2024. 23. 389-410

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Patents (17)：

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Lectures and oral presentations (71)：

Augmented Shuffle Protocols for Accurate and Robust Frequency Estimation under Differential Privacy (from S&P 2025)
(NII Shonan Meeting, No.164 Differential Privacy and its Applications 2024)
差分プライバシーと統計解析への応用
(統計数理研究所オープンハウス公開講演会「プライバシー保護とデータサイエンス」 2024)
カードを用いた差分プライバシの物理的表現
(2024年暗号と情報セキュリティシンポジウム(SCIS 2024) 2024)
差分プライバシーを満たすグラフ統計解析
(研究集会「大規模データの公開におけるプライバシー保護の理論と応用」 2023)
Overview of Privacy-Preserving Technologies
(From 304dB to Geoworld-dB (Pre-Workshop of FOMLIG & UUGGP 2023) 2023)

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Education (3)：

2011 - 2014 The University of Tokyo Doctoral Course of the Graduate School of Information Science and Technology
2004 - 2006 The University of Tokyo Master's Course of the Graduate School of Information Science and Technology
2000 - 2004 The University of Tokyo School of Engineering

Professional career (1)：

Ph.D. (The University of Tokyo)

Work history (14)：

2024/05 - 現在 RIKEN AI Security and Privacy Team, Center for Advanced Intelligence Project Visiting Researcher
2024/03 - 現在 The Institute of Statistical Mathematics Department of Interdisciplinary Statistical Mathematics Associate Professor
2023/09 - 現在 AIST CPSEC Visiting Researcher
2021/04 - 現在 Rikkyo University Graduate School of Artificial Intelligence and Science Visiting Associate Professor
2023/07 - 2024/02 The Institute of Statistical Mathematics Department of Statistical Data Science Associate Professor

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Committee career (34)：

2024/09 - 現在 IEEE Transactions on Privacy Associate Editor
2024/09 - 2025/08 USENIX Security 2025 Program Committee member
2024/04 - 2025/03 CSS2024 プログラム委員
2024/04 - 2025/03 PWS2024 実行委員
2024/05 - 2024/10 ACM CIKM 2024 Program Committee member

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Awards (9)：

2020/04 - 19th Funai Award
2016/10 - 15th DOCOMO Mobile Science Award (Advanced Technology Award of Excellence)
2015/08 - IEEE TrustCom2015 Best Paper Award
2014/03 - Dean's Award of the Graduate School of Information Science and Technology, the University of Tokyo
2012/09 - IEEE BTAS2012 Best Reviewed Paper

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Association Membership(s) (3)：

IEEE (Institute of Electrical and Electronics Engineers) , IEICE (Institute of Electronics, Information and Communication Engineers) , ACM (Association for Computing Machinery)

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