Murakami Takao 村上隆夫

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: 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 Except Principal Investigator 暗号 / プライバシー / 機械学習 / 人工知能 / セキュリティ / 公平性 / 差分プライバシー / 局所差分プライバシー / プライバシーポリシー / 統計的推定 / 公正性配慮型データマイニング / プライバシ / 安全性 / 予測 / 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

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 Learning
- Principal Investigator
  
  Sakuma Jun
- 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 2019 2018 2015 2014 Other

All Journal Article Presentation

[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
[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, KAKENHI-PROJECT-16H02864
[Presentation] Privacy-Preserving Multiple Tensor Factorization for Synthesizing Large-Scale Location Traces2019
- Author(s)
  Takao Murakami, Koki Hamada, Yusuke Kawamoto, Takuma Hatano
- Organizer
  arXiv:1911.04226
- Data Source
  KAKENHI-PROJECT-19H04113
[Presentation] PWS Cup 2019: ID識別・トレース推定に強い位置情報の匿名加工技術を競う2019
- Author(s)
  村上隆夫，荒井ひろみ，井口誠，小栗秀暢，菊池浩明，黒政敦史，中川裕志，中村優一，西山賢志郎，野島良，波多野卓磨，濱田浩気，山岡裕司，山口高康，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2019（CSS 2019）
- Data Source
  KAKENHI-PROJECT-19H04113
[Presentation] PWS Cup 2019: ID識別・トレース推定に強い位置情報の匿名加工技術を競う2019
- Author(s)
  村上隆夫，荒井ひろみ，井口誠，小栗秀暢，菊池浩明，黒政敦史，中川裕志，中村優一，西山賢志郎，野島良，波多野卓磨，濱田浩気，山岡裕司，山口高康，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2019
- Data Source
  KAKENHI-PROJECT-18H04099
[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] 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] 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] 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] 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. Sakuma Jun (90376963)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
3. 照屋唯紀 (20636972)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. 山田翔太 (70750834)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
5. 日野英逸 (10580079)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 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: 3 results
11. 渡辺知恵美 (20362832)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 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: 1 results
20. 菊地浩明

# of Collaborated Projects: 0 results

# of Collaborated Products: 3 results

Murakami Takao 村上 隆夫

Research Projects

Research Products

Co-Researchers

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

Project Period (FY)

Research Category

Review Section

Research Institution

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

Project Period (FY)

Research Category

Review Section

Research Institution

Study on anonymization algorithm and risk to be re-identified using open data competitionOngoing

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Research on authentication and key management techniques based on weak secrets

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Statistical Security of Machine Learning

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Privacy Preserving Population Distribution Estimation without Trusted Third PartiesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

A Study on Anonymous Biometric Authentication for Privacy Protection in the Era of Big DataPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] How to Handle Excessively Anonymized Datasets2018

Author(s)

Journal Title

DOI

NAID

ISSN

Language

Data Source

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

Author(s)

Journal Title

DOI

Data Source

[Presentation] Privacy-Preserving Multiple Tensor Factorization for Synthesizing Large-Scale Location Traces2019

Author(s)

Organizer

Data Source

[Presentation] PWS Cup 2019: ID識別・トレース推定に強い位置情報の匿名加工技術を競う2019

Author(s)

Organizer

Data Source

[Presentation] PWS Cup 2019: ID識別・トレース推定に強い位置情報の匿名加工技術を競う2019

Author(s)

Organizer

Data Source

[Presentation] 局所型差分プライバシーと分布推定への応用2018

Author(s)

Organizer

Data Source

[Presentation] A Succinct Model for Re-identification of Mobility Traces Based on Small Training Data2018

Author(s)

Organizer

Data Source

[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

Murakami Takao 村上隆夫