DPSQL+ enforces user-level differential privacy and minimum frequency rules in SQL queries via a modular validator-accountant-backend design, showing practical accuracy on TPC-H workloads and higher query volume under fixed privacy budgets than prior systems.
Revealing information while preserving privacy
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DPSQL+: A Differentially Private SQL Library with a Minimum Frequency Rule
DPSQL+ enforces user-level differential privacy and minimum frequency rules in SQL queries via a modular validator-accountant-backend design, showing practical accuracy on TPC-H workloads and higher query volume under fixed privacy budgets than prior systems.