Khalid Hamad Alnafisah, Amirah M. Almutairi, Amani Ibraheem, Ammar Almutawa, Abdullah S. Bajahzar, Tadani Nasser, Aasem N. Alyahya. "Scalable hierarchical federated graph-transformer architecture for efficient multi-modal intrusion detection in 6G UAV-assisted vehicular IoT." Scientific Reports, 2026. doi:10.1038/s41598-026-60184-8