[Resource Topic] 2010/076: Private and Continual Release of Statistics

Welcome to the resource topic for 2010/076

Title:
Private and Continual Release of Statistics

Authors: T-H. Hubert Chan, Elaine Shi, Dawn Song

Abstract:

We ask the question – how can websites and data aggregators continually release updated statistics, and meanwhile preserve each individual user’s privacy? Suppose we are given a stream of 0’s and 1’s. We propose a differentially private continual counter that outputs at every time step the approximate number of 1’s seen thus far. Our counter construction has error that is only poly-log in the number of time steps. We can extend the basic counter construction to allow websites to continually give top-k and hot items suggestions while preserving users’ privacy.

ePrint: https://eprint.iacr.org/2010/076

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