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InfoResearchPeer-reviewed
SLIMQ: Secure Lightweight Online/Offline Multi-Dimensional Range Query in Cloud
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Summary
The authors propose SLIMQ, a privacy-preserving scheme for multi-dimensional range queries outsourced to cloud servers. It organizes data with an R-tree, reduces range queries to prefix matching, and uses an adaptive three-party secret sharing scheme with an offline-online mode. The paper reports that SLIMQ outperforms PRQ and TRQED+ in online query efficiency while keeping competitive offline precomputation overhead.