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arXiv:2401.06273cs.DB

Qrlew: Rewriting SQL into Differentially Private SQL

Nicolas Grislain, Paul Roussel, Victoria de Sainte Agathe

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Abstract

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. With Qrlew, a data practitioner can express their data queries in standard SQL; the data owner can run the rewritten query without any technical integration and with strong privacy guarantees on the output; and the query rewriting can be operated by a privacy-expert who must be trusted by the owner, but may belong to a separate organization.

arXiv comments
Journal reference
PPAI 2024
DOI
Subjects
cs.DBDatabases cs.LGMachine Learning

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  1. Show HN: Qrlew, simple SQL to SQL-with-privacy written in Rust 1 comment

    • Yes Qrlew is based on a research paper (https://arxiv.org/pdf/2401.06273.pdf) presented at a AAAI 2024 workshop: https://ppai-workshop.github.io/ As you may know, Differential Privacy is hard to implement right. To foster trust, we relied on a two-pronged strategy: - Open-source…

      ngrislainView on HNParent context

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