Search Results for author: Paul Roussel

Found 2 papers, 1 papers with code

Qrlew: Rewriting SQL into Differentially Private SQL

1 code implementation11 Jan 2024 Nicolas Grislain, Paul Roussel, Victoria de Sainte Agathe

This paper introduces Qrlew, an open source library that can parse SQL queries into Relations -- an intermediate representation -- that keeps track of rich data types, value ranges, and row ownership; so that they can easily be rewritten into differentially-private equivalent and turned back into SQL queries for execution in a variety of standard data stores.

New Tricks for Estimating Gradients of Expectations

no code implementations31 Jan 2019 Christian J. Walder, Paul Roussel, Richard Nock, Cheng Soon Ong, Masashi Sugiyama

We introduce a family of pairwise stochastic gradient estimators for gradients of expectations, which are related to the log-derivative trick, but involve pairwise interactions between samples.

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