Improved Differentially Private Euclidean Distance Approximation
Summary: Use Kane–Nelson sparse JL sketches (k=Θ(α^-2 log1/β), s=O(α^-1 log1/β)) combined with Laplace/Gaussian mechanisms to produce unbiased, high-utility differentially private sketches for Euclidean distance. Laplace yields pure DP and lower variance than Gaussian when δ < β^{O(1/α)}, and a private FJLT variant trades speed for variance, resolving an open question of Kenthapadi et al. (summarized by gpt-5-mini on Feb 09 2026)
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| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 1,446 | PrivBayes: Private Data Release via Bayesian Networks | 2014 | SIGMOD | 0.00011931212 |
| 1,762 | PriView: Practical Differentially Private Release of Marginal Contingency Tables | 2014 | SIGMOD | 0.00010629368 |
| 2,900 | Pan-private Algorithms Via Statistics on Sketches | 2011 | PODS | 7.9455873e-05 |
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