3 papers
cs.LG2025
Adaptive Initial Residual Connections for GNNs with Theoretical Guarantees
Mohammad Shirzadi, Ali Safarpoor Dehkordi, Ahad N. Zehmakan
Message passing is the core operation in graph neural networks, where each node updates its embeddings by aggregating information from its neighbors. However, in deep architectures…
cs.SI2025
Graph-based Fake Account Detection: A Survey
Ali Safarpoor Dehkordi, Ahad N. Zehmakan
In recent years, there has been a growing effort to develop effective and efficient algorithms for fake account detection in online social networks. This survey comprehensively rev…
cs.SI2025
More Efficient Sybil Detection Mechanisms Leveraging Resistance of Users to Attack Requests
Ali Safarpoor Dehkordi, Ahad N. Zehmakan
We investigate the problem of sybil (fake account) detection in social networks from a graph algorithms perspective, where graph structural information is used to classify users as…