Differentially private aggregation of distributed time-series with transformation and encryption

SIGMOD Conference, pp. 735-746, 2010.

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Keywords:
discrete fourier transformtime-series datadifferentially private aggregationk nquery answerMore(12+)

Abstract:

We propose the first differentially private aggregation algorithm for distributed time-series data that offers good practical utility without any trusted server. This addresses two important challenges in participatory data-mining applications where (i) individual users collect temporally correlated time-series data (such as location trac...More

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