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cs.CR2025
KV-Auditor: Auditing Local Differential Privacy for Correlated Key-Value Estimation
Jingnan Xu, Leixia Wang, Xiaofeng Meng
To protect privacy for data-collection-based services, local differential privacy (LDP) is widely adopted due to its rigorous theoretical bound on privacy loss. However, mistakes i…
cs.CR2024
PriPL-Tree: Accurate Range Query for Arbitrary Distribution under Local Differential Privacy
Leixia Wang, Qingqing Ye, Haibo Hu +1
Answering range queries in the context of Local Differential Privacy (LDP) is a widely studied problem in Online Analytical Processing (OLAP). Existing LDP solutions all assume a u…
cs.CR2024
Cross-silo Federated Learning with Record-level Personalized Differential Privacy
Junxu Liu, Jian Lou, Li Xiong +2
Federated learning (FL) enhanced by differential privacy has emerged as a popular approach to better safeguard the privacy of client-side data by protecting clients' contributions…