3 papers
cs.LG2026
DDGAD: Trajectory Dynamics for Diffusion-Based Graph Anomaly Detection
Yuxin Yang, Limei Hu, Feng Chen
Graph anomaly detection (GAD) aims to identify nodes or substructures whose behavior or attributes deviate significantly from the overall pattern in graph-structured data, with cri…
cs.DC2025
Low-Communication Resilient Distributed Estimation Algorithm Based on Memory Mechanism
Wei Li, Limei Hu, Feng Chen +1
In multi-task adversarial networks, the accurate estimation of unknown parameters in a distributed algorithm is hindered by attacked nodes or links. To tackle this challenge, this…
cs.IT2025
Hybrid Near-Far Field 6D Movable Antenna Design Exploiting Directional Sparsity and Deep Learning
Xiaodan Shao, Limei Hu, Yulong Sun +7
Six-dimensional movable antenna (6DMA) has been identified as a new disruptive technology for future wireless systems to support a large number of users with only a few antennas. H…