2011 Fiscal Year Final Research Report
Privacy-preserving anonymization algorithm with information loss minimization
| Project/Area Number |
21650022
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Media informatics/Database
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| Research Institution | Waseda University |
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Principal Investigator |
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| Project Period (FY) |
2009 – 2011
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| Keywords | データベース / セキュリティ / プライバシー / アルゴリズム / 匿名化 |
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| Research Abstract |
For anonymizing database tables containing personal information, we proposed a new framework such that privacy constraints are given as inference probabilities(accuracies) between person-identifying attributes and sensitive attributes. Also, information loss due to anonymization is modeled as cost functions, and an algorithm that finds an optimal anonymized table was developed. As related research, we also developed access control methods for globally distributed environments, as well as user assistance for privacy settings in social networking services.
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