Privacy-Preserving Top-k Query Processing in Distributed Systems - LIRMM - Laboratoire d’Informatique, de Robotique et de Microélectronique de Montpellier Access content directly
Journal Articles Transactions on Large-Scale Data- and Knowledge-Centered Systems Year : 2019

Privacy-Preserving Top-k Query Processing in Distributed Systems

Reza Akbarinia
Patrick Valduriez

Abstract

We consider a distributed system that stores user sensitive data across multiple nodes. In this context, we address the problem of privacy-preserving top-k query processing. We propose a novel system, called SD-TOPK, which is able to evaluate top-k queries over encrypted distributed data without needing to decrypt the data in the nodes where they are stored. We implemented and evaluated our system over synthetic and real databases. The results show excellent performance for SD-TOPK compared to baseline approaches.
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Dates and versions

lirmm-02265730 , version 1 (12-08-2019)

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Sakina Mahboubi, Reza Akbarinia, Patrick Valduriez. Privacy-Preserving Top-k Query Processing in Distributed Systems. Transactions on Large-Scale Data- and Knowledge-Centered Systems, 2019, ⟨10.1007/978-3-662-60531-8_1⟩. ⟨lirmm-02265730⟩
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