CityOS is an edge runtime that enforces a three-tier privacy API for urban sensors: local raw data, differentially private single-location stats, and cross-location aggregates with per-user budgets enforced on devices.
Qrlew: Rewriting sql into dif- ferentially private sql.arXiv, abs/2401.06273
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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.
citing papers explorer
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CityOS: Privacy Architecture for Urban Sensing
CityOS is an edge runtime that enforces a three-tier privacy API for urban sensors: local raw data, differentially private single-location stats, and cross-location aggregates with per-user budgets enforced on devices.
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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.