Optimal Noise-Adding Mechanism in Additive Differential Privacy

26 Sep 2018Quan GengWei DingRuiqi GuoSanjiv Kumar

We derive the optimal $(0, \delta)$-differentially private query-output independent noise-adding mechanism for single real-valued query function under a general cost-minimization framework. Under a mild technical condition, we show that the optimal noise probability distribution is a uniform distribution with a probability mass at the origin... (read more)

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