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InfoResearchPeer-reviewed
Secure Optimization With Asynchronous Structured Skyline Predicates Under Vertical Data Federation
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Summary
This paper proposes a secure, asynchronous structured skyline predicate for computing skyline queries over encrypted vertically federated data, protecting both the dataset and the skyline from unauthorized access. The approach relies on vertical dominance and truth-value conversion, and adds an optimization that balances security against efficiency. Evaluation across parameters reports gains in traversal overhead and in expensive ciphertext operations.