Hadamard Response: Estimating Distributions Privately, Efficiently, and with Little Communication

13 Feb 2018 Jayadev Acharya Ziteng Sun Huanyu Zhang

We study the problem of estimating $k$-ary distributions under $\varepsilon$-local differential privacy. $n$ samples are distributed across users who send privatized versions of their sample to a central server... (read more)

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