3 papers
cs.LG2025
KEEP: Integrating Medical Ontologies with Clinical Data for Robust Code Embeddings
Ahmed Elhussein, Paul Meddeb, Abigail Newbury +3
Machine learning in healthcare requires effective representation of structured medical codes, but current methods face a trade off: knowledge graph based approaches capture formal…
cs.LG2025
PLayer-FL: A Principled Approach to Personalized Layer-wise Cross-Silo Federated Learning
Ahmed Elhussein, Gamze Gürsoy, Florent Pollet
Federated learning (FL) with non-IID data often degrades client performance below local training baselines. Partial FL addresses this by federating only early layers that learn tra…
cs.LG2024
Optimal Defenses Against Gradient Reconstruction Attacks
Yuxiao Chen, Gamze Gürsoy, Qi Lei
Federated Learning (FL) is designed to prevent data leakage through collaborative model training without centralized data storage. However, it remains vulnerable to gradient recons…