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Murakami Takao  村上 隆夫

ORCIDConnect your ORCID iD *help
Researcher Number 80587981
Other IDs
Affiliation (Current) 2020: 国立研究開発法人産業技術総合研究所, 情報・人間工学領域, 主任研究員
Affiliation (based on the past Project Information) *help 2018 – 2020: 国立研究開発法人産業技術総合研究所, 情報・人間工学領域, 主任研究員
2017 – 2018: 国立研究開発法人産業技術総合研究所, 情報・人間工学領域, 研究員
2015 – 2016: 国立研究開発法人産業技術総合研究所, 情報技術研究部門, 研究員
2014: 独立行政法人産業技術総合研究所, 情報技術研究部門, 研究員
Review Section/Research Field
Principal Investigator
Information security / Basic Section 60070:Information security-related
Except Principal Investigator
Medium-sized Section 60:Information science, computer engineering, and related fields / Information security / Intelligent informatics
Keywords
Principal Investigator
位置情報プライバシー / プライバシー / 個人識別攻撃 / マルコフモデル / テンソル分解 / グループスパース正則化 / 匿名化 / 曖昧化 / 欠損位置情報 / Viterbiアルゴリズム … More / 空間統計データ / TTP / 加工メカニズム / 分布推定 / データプライバシー / 差分プライバシー / 反復ベイズ法 / 分布推定誤差 / 匿名性 / 再識別攻撃 / バイアス補正 / 位置情報 / 空間統計 / 局所型プライバシー / パーソナルデータ … More
Except Principal Investigator
暗号 / プライバシー / 機械学習 / セキュリティ / 差分プライバシー / 公正性配慮型データマイニング / プライバシ / 安全性 / 予測 / 公平性 / 匿名加工 / 個人情報 / ビッグデータ / リスク / 再識別 / 購買履歴 / コンテスト / 暗号理論 / 情報セキュリティ / プライバシ保護技術 / 高機能暗号 Less
  • Research Projects

    (7 results)
  • Research Products

    (10 results)
  • Co-Researchers

    (20 People)
  •  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Ongoing

    • Principal Investigator
      Attrapadung Nuttapong
    • Project Period (FY)
      2019 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Review Section
      Medium-sized Section 60:Information science, computer engineering, and related fields
    • Research Institution
      National Institute of Advanced Industrial Science and Technology
  •  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Principal InvestigatorOngoing

    • Principal Investigator
      村上 隆夫
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 60070:Information security-related
    • Research Institution
      National Institute of Advanced Industrial Science and Technology
  •  Study on anonymization algorithm and risk to be re-identified using open data competitionOngoing

    • Principal Investigator
      菊池 浩明
    • Project Period (FY)
      2018 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Review Section
      Medium-sized Section 60:Information science, computer engineering, and related fields
    • Research Institution
      Meiji University
  •  Research on authentication and key management techniques based on weak secrets

    • Principal Investigator
      SHIN SeongHan
    • Project Period (FY)
      2016 – 2018
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Information security
    • Research Institution
      National Institute of Advanced Industrial Science and Technology
  •  Statistical Security of Machine LearningOngoing

    • Principal Investigator
      佐久間 淳
    • Project Period (FY)
      2016 – 2018
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Intelligent informatics
    • Research Institution
      University of Tsukuba
  •  Privacy Preserving Population Distribution Estimation without Trusted Third PartiesPrincipal Investigator

    • Principal Investigator
      Murakami Takao
    • Project Period (FY)
      2016 – 2018
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Information security
    • Research Institution
      National Institute of Advanced Industrial Science and Technology
  •  A Study on Anonymous Biometric Authentication for Privacy Protection in the Era of Big DataPrincipal Investigator

    • Principal Investigator
      Murakami Takao
    • Project Period (FY)
      2014 – 2015
    • Research Category
      Grant-in-Aid for Research Activity Start-up
    • Research Field
      Information security
    • Research Institution
      National Institute of Advanced Industrial Science and Technology

All 2018 2015 2014 Other

All Journal Article Presentation

  • [Journal Article] Toward Distribution Estimation under Local Differential Privacy with Small Samples2018

    • Author(s)
      Murakami Takao、Hino Hideitsu、Sakuma Jun
    • Journal Title

      Proceedings on Privacy Enhancing Technologies

      Volume: 2018 Pages: 84-104

    • DOI

      10.1515/popets-2018-0022

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K16069
  • [Journal Article] How to Handle Excessively Anonymized Datasets2018

    • Author(s)
      Ryo Nojima, Hidenobu Oguri, Hiroaki Kikuchi, Hiroshi Nakagawa, Koki Hamada, Takao Murakami, Yuji Yamaoka, Chiemi Watanabe
    • Journal Title

      Journal of Information Processing

      Volume: 26 Issue: 0 Pages: 477-485

    • DOI

      10.2197/ipsjjip.26.477

    • NAID

      130007397267

    • ISSN
      1882-6652
    • Language
      English
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18H04099
  • [Presentation] On the Anonymization of Differentially Private Location Obfuscation2018

    • Author(s)
      Yusuke Kawamoto, Takao Murakami
    • Organizer
      Proceedings of the 2018 International Symposium on Information Theory and Its Applications (ISITA 2018)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K16069
  • [Presentation] PWS Cup 2018: 匿名加工再識別コンテストの設計~履歴データの一般化・再識別~2018

    • Author(s)
      濱田 浩気 ,荒井 ひろみ ,小栗 秀暢 ,菊池 浩明,黒政 敦史,中川 裕志,西山 賢志郎 ,波多野 卓磨,村上 隆夫,山岡 裕司,山田 明,渡辺 知恵美
    • Organizer
      コンピュータセキュリティシンポジウム2018論文集
    • Data Source
      KAKENHI-PROJECT-18H04099
  • [Presentation] A Succinct Model for Re-identification of Mobility Traces Based on Small Training Data2018

    • Author(s)
      Takao Murakami
    • Organizer
      Proceedings of the 2018 International Symposium on Information Theory and Its Applications (ISITA 2018)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K16069
  • [Presentation] 局所型差分プライバシーと分布推定への応用2018

    • Author(s)
      村上隆夫
    • Organizer
      PWS勉強会(PWS Seminar 2018)
    • Invited
    • Data Source
      KAKENHI-PROJECT-16K16069
  • [Presentation] 欠損位置情報の推定を伴うテンソル分解と個人識別攻撃への応用2015

    • Author(s)
      村上隆夫
    • Organizer
      コンピュータセキュリティシンポジウム2015(CSS 2015)
    • Place of Presentation
      長崎ブリックホール(長崎)
    • Year and Date
      2015-10-21
    • Data Source
      KAKENHI-PROJECT-26880030
  • [Presentation] Group Sparsity Tensor Factorization for De-anonymization of Mobility Traces2015

    • Author(s)
      Takao Murakami, Atsunori Kanemura, Hideitsu Hino
    • Organizer
      Proceedings of the 14th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom 2015) [Best Paper Award]
    • Place of Presentation
      Crowne Plaza hotel (Helsinki, Finland)
    • Year and Date
      2015-08-20
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26880030
  • [Presentation] Location Prediction Attacks Using Tensor Factorization and Optimal Defenses2014

    • Author(s)
      Takao Murakami, Hajime Watanabe
    • Organizer
      1st IEEE International Workshop on Big Data Security and Privacy (BDSP 2014)
    • Place of Presentation
      Hyatt Regency Bethesda (Washington DC, USA)
    • Year and Date
      2014-10-30
    • Data Source
      KAKENHI-PROJECT-26880030
  • [Presentation] テンソル分解を用いた位置情報プライバシーへの攻撃と対策

    • Author(s)
      村上隆夫,渡辺創
    • Organizer
      コンピュータセキュリティシンポジウム2014(CSS 2014)
    • Place of Presentation
      札幌コンベンションセンター (北海道)
    • Year and Date
      2014-10-22 – 2014-10-24
    • Data Source
      KAKENHI-PROJECT-26880030
  • 1.  松田 隆宏 (60709492)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 2.  照屋 唯紀 (20636972)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 3.  山田 翔太 (70750834)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 4.  佐久間 淳 (90376963)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 5.  日野 英逸 (10580079)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 6.  SHIN SeongHan (20443195)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  神嶌 敏弘 (50356820)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  兼村 厚範 (50580297)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  菊池 浩明 (20266365)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  中川 裕志 (20134893)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 11.  渡辺 知恵美 (20362832)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 12.  木村 映善 (20363244)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  Attrapadung Nuttapong (40515300)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  縫田 光司 (20435762)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  花岡 悟一郎 (30415731)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  坂井 祐介 (40750659)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 17.  Schuldt Jacob (80750893)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 18.  清 雄一 (20700157)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 19.  川本 裕輔 (60760006)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 20.  菊地 浩明
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 2 results

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