Mengmeng Yang

Program Defect Detection Using Sensitive Slice Semantics with Control Flow Variable Dependency

2024 · Recent Advances in Computer Science and Communications

Background: Slicing technology focuses on data association behavior and is suitable for variable dependency analysis in tight defect contexts. Methods: By constructing a control flow variable dependency graph(CFVDG), performing slicing and semantic analysis and understanding, …

Vertical Federated XGBoost with Privacy Preservation via Secure Multiparty Computation

2026 · Journal of Cybersecurity and Privacy

Gradient Boosted Decision Trees (GBDTs) are popular for their strong predictive performance. However, in domains like finance and healthcare, data are often distributed across organizations, making collaborative model training challenging due to privacy concerns. Vertical …