Rchr
J-GLOBAL ID:201801010903133795   Update date: Sep. 01, 2020

Murakami Takao

ムラカミ タカオ | Murakami Takao
Affiliation and department:
Job title: 主任研究員
Homepage URL  (2): https://staff.aist.go.jp/takao-murakami/https://staff.aist.go.jp/takao-murakami/
Research field  (4): Intelligent informatics ,  Database science ,  Statistical science ,  Information security
Research keywords  (5): biometric authentication ,  location privacy ,  machine learning and privacy ,  differential privacy ,  privacy
Research theme for competitive and other funds  (8):
  • 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
  • 2016 - 2019 機械学習における統計的安全性の理論
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Papers (48):
  • Seira Hidano, Takao Murakami, Shuichi Katsumata, Shinsaku Kiyomoto, Goichiro Hanaoka. Exposing Private User Behaviors of Collaborative Filtering via Model Inversion Techniques. Proceedings on Privacy Enhancing Technologies (PoPETs). 2020. 2020. 3. 264-283
  • 加賀陽介, 藤尾正和, 長沼健, 高橋健太, 村上隆夫, 大木哲史, 西垣正勝. トランザクションの本人性を確認できる分散台帳技術の提案. 情報処理学会論文誌. 2019. 60. 1. 130-146
  • Takao Murakami, Tetsushi Ohki, Yosuke Kaga, Masakazu Fujio, Kenta Takahashi. Cancelable Indexing Based on Low-rank Approximation of Correlation-invariant Random Filtering for Fast and Secure Biometric Identification. Elsevier Pattern Recognition Letters. 2019. 126. 11-20
  • Yusuke Kawamoto, Takao Murakami. Local Distribution Obfuscation via Probability Coupling. Proceedings of the 57th Annual Allerton Conference on Communication, Control, and Computing (Allerton 2019) (to appear). 2019
  • Yusuke Kawamoto, Takao Murakami. Local Obfuscation Mechanisms for Hiding Probability Distributions. Proceedings of the 24th European Symposium on Research in Computer Security (ESORICS 2019). 2019. 128-148
more...
MISC (1):
  • Tadanori Teruya, Goichiro Hanaoka, Sosuke Ashihara, Satsuya Ohata, Kazumasa Shinagawa, Takahiro Matsuda, Takao Murakami, SeongHan Shin, Nuttapong Attrapadung, Koji Nuida. CryptoJanken: じゃんけんで学ぶ暗号技術. Computer Security Symposium 2015. 2015. 2015. DPS-10
Patents (17):
Lectures and oral presentations  (11):
  • Utility-Optimized Local Differential Privacy Mechanisms for Distribution Estimation (from Usenix Security 2019)
    (2019年暗号と情報セキュリティワークショップ(WCIS 2019) 2019)
  • 推薦システムに対するModel Inversion攻撃
    (2019年電子情報通信学会総合大会,企画講演セッションAI-2(AIへの攻撃と対策~10年後の脅威に備える) 2019)
  • 局所型差分プライバシーを満たす小規模データからの分布推定に向けて
    (第8回バイオメトリクスと認識・認証シンポジウム(SBRA 2018) 2018)
  • 局所型差分プライバシーと分布推定への応用
    (PWS勉強会(PWS Seminar 2018) 2018)
  • Toward Distribution Estimation under Local Differential Privacy with Small Samples
    (CSE 259 (Seminar in Artificial Intelligence), Fall 2018 AI Seminar, UC San Diego 2018)
more...
Education (3):
  • 2011 - 2014 The University of Tokyo
  • 2004 - 2006 The University of Tokyo
  • 2000 - 2004 The University of Tokyo
Professional career (1):
  • Ph.D. (The University of Tokyo)
Work history (7):
  • 2020/02 - 現在 University of California, San Diego (UCSD) Visiting Scholar
  • 2018/11 - 現在 AIST CPSEC Senior Research Scientist
  • 2018/10 - 2018/10 AIST ITRI Senior Research Scientist
  • 2015/04 - 2018/09 AIST ITRI Researcher
  • 2014/04 - 2015/03 AIST RISEC Researcher
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Committee career (21):
  • 2020/06 - 2021/08 USENIX Security 2021 Program Committee member
  • 2019/05 - 2020/10 PETS2020 Program Committee / PoPETs2020 Editorial Board member
  • 2019/05 - 2020/10 PETS2020 Program Committee / PoPETs2020 Editorial Board member
  • 2019/04 - 2020/03 PWSCup2019 実行委員長
  • 2019/04 - 2020/03 PWS2019 実行委員
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Awards (9):
  • 2020/04 - 公益財団法人 船井情報科学振興財団 2019年度 船井学術賞
  • 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) (2):
THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS ,  IEEE
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