Explainable Artificial Intelligence of Multi-Level Stacking Ensemble for Detection of Alzheimer's Disease Based on Particle Swarm Optimization and the Sub-Scores of Cognitive Biomarkers. - Abdulaziz Almohimeed; Redhwan M. A. Saad; Sherif Mostafa; Nora El-Rashidy; Sarah Farrag; Abdelkareem Gaballah; Mohamed E. Abd Elaziz; Shaker H. Ali El-Sappagh; Hager Saleh (IEEE Access, 2023)