2 papers
cs.DB2026
DP-S4S: Accurate and Scalable Select-Join-Aggregate Query Processing with User-Level Differential Privacy
Yuan Qiu, Xiaokui Xiao, Yin Yang
Answering Select-Join-Aggregate queries with DP is a fundamental problem with important applications in various domains. The current SOTA methods ensure user-level DP (i.e., the ad…
cs.CR2025
Approximate DBSCAN under Differential Privacy
Yuan Qiu, Ke Yi
This paper revisits the DBSCAN problem under differential privacy (DP). Existing DP-DBSCAN algorithms aim at publishing the cluster labels of the input points. However, we show tha…