No-Go Theorems for Data Privacy

May 28, 2020 · The Ethereal · 🏛 arXiv.org

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Authors Thomas Studer arXiv ID 2005.13811 Category cs.LO: Logic in CS Cross-listed cs.CR Citations 2 Venue arXiv.org Last Checked 5 months ago
Abstract
Controlled query evaluation (CQE) is an approach to guarantee data privacy for database and knowledge base systems. CQE-systems feature a censor function that may distort the answer to a query in order to hide sensitive information. We introduce a high-level formalization of controlled query evaluation and define several desirable properties of CQE-systems. Finally we establish two no-go theorems, which show that certain combinations of these properties cannot be obtained.
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