Search Results for author: Sofya Raskhodnikova

Found 4 papers, 1 papers with code

Differentially Private Sampling from Distributions

no code implementations NeurIPS 2021 Sofya Raskhodnikova, Satchit Sivakumar, Adam Smith, Marika Swanberg

We demonstrate that, in some parameter regimes, private sampling requires asymptotically fewer observations than learning a description of $P$ nonprivately; in other regimes, however, private sampling proves to be as difficult as private learning.

Learning pseudo-Boolean k-DNF and Submodular Functions

no code implementations10 Aug 2012 Sofya Raskhodnikova, Grigory Yaroslavtsev

We show that an analog of Hastad's switching lemma holds for pseudo-Boolean k-DNFs if all constants associated with the terms of the formula are bounded.

2k LEMMA +1

What Can We Learn Privately?

no code implementations6 Mar 2008 Shiva Prasad Kasiviswanathan, Homin K. Lee, Kobbi Nissim, Sofya Raskhodnikova, Adam Smith

Therefore, almost anything learnable is learnable privately: specifically, if a concept class is learnable by a (non-private) algorithm with polynomial sample complexity and output size, then it can be learned privately using a polynomial number of samples.

Sublinear Algorithms for Approximating String Compressibility

1 code implementation8 Jun 2007 Sofya Raskhodnikova, Dana Ron, Ronitt Rubinfeld, Adam Smith

We raise the question of approximating the compressibility of a string with respect to a fixed compression scheme, in sublinear time.

Data Structures and Algorithms

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