| Budget Amount *help |
¥3,440,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 2009: ¥1,400,000 (Direct Cost: ¥1,400,000)
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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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