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ISSN: 2168-7161
Sabrina De Capitani di Vimercati , UniversitÓ degli Studi di Milano, Milan
Sara Foresti , UniversitÓ degli Studi di Milano, Milan
Sushil Jajodia , George Mason University, Fairfax
Stefano Paraboschi , UniversitÓ degli Studi di Bergamo, Dalmine
Pierangela Samarati , UniversitÓ degli Studi di Milano, Milan
We address the problem of providing users with the ability to assess the integrity of join results produced by external computational providers and computed over externally stored databases. Our approach relies on different mutually supporting techniques offering strong integrity protection guarantees at a limited cost. The application of the approach is completely transparent to the computational provider, against which data and query confidentiality is preserved. The paper introduces our techniques analytically, examining their protection guarantees and performance. It also illustrates experimental results, which confirm the effectiveness and efficiency of our solutions.
Security and Protection, Security, integrity, and protection

S. De Capitani di Vimercati, S. Foresti, S. Jajodia, S. Paraboschi and P. Samarati, "Integrity for Join Queries in the Cloud," in IEEE Transactions on Cloud Computing.
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