Zhan Qin

FDINet: Protecting against DNN Model Extraction via Feature Distortion Index

2023 · arXiv (Cornell University)

Machine Learning as a Service (MLaaS) platforms have gained popularity due to their accessibility, cost-efficiency, scalability, and rapid development capabilities. However, recent research has highlighted the vulnerability of cloud-based models in MLaaS to model extraction …

SPAS: Continuous Release of Data Streams under w-Event Differential Privacy

2025 · Proceedings of the ACM on Management of Data

Continuous release of data streams is frequently used in numerous applications. However, when data is sensitive, this poses privacy risks. To mitigate this risk, efforts have been devoted to devising techniques that satisfy a formal …