Preprint
Aug 2026
Pointing the Way, Hiding the Destination: Practical Private Dense Retrieval at Scale
This shortlist short-circuits full-corpus cryptographic search without sacrificing retrieval quality: with 200-500 candidates, it closely matches full-corpus retrieval across five zero-shot corpora spanning 25K to 5.4M documents.
Pei-Chun Hua, Dan-Yang Chen, Ju-Nan Zhang et al.
· 1 citation