Author

Yandi Zhang

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Preprint Aug 2026

Efficient Privacy-Preserving Range Filtered Approximate Nearest Neighbor Search

This is the first study that systematically formulates and evaluates privacy-preserving RFANNS over outsourced encrypted vector databases, and improves the QPS-Recall trade-off over representative secure adaptations of existing RFANNS approaches, scaling effectively to large datasets.

Haoyu Wang, Yandi Zhang, Jia-Dong Xie et al. · 0 citations