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A comment on The Algorithmic Foundations of Differential Privacy (2014) [pdf]. Parent comment

Re:The Algorithmic Foundations of Differential Privacy (2014... by frankmcsherry on Sunday March 25, 2018 @12:39PM (#16672977)
What you are looking for is "Private Information Retrieval". For the cube root result, check out: http://www.tau.ac.il/~bchor/PIR.pdf
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