no code implementations • NeurIPS 2019 • Yunus Esencayi, Marco Gaboardi, Shi Li, Di Wang
On the negative side, we show that the approximation ratio of any $\epsilon$-DP algorithm is lower bounded by $\Omega(\frac{1}{\sqrt{\epsilon}})$, even for instances on HST metrics with uniform facility cost, under the super-set output setting.
