The heterogeneous information network (HIN), which contains rich semantics depicted by meta-paths, has emerged as a potent tool for mitigating data sparsity in recommender …
Building a graph neural network (GNN)-based recommender system without violating user privacy proves challenging. Existing methods can be divided into federated GNNs and …
Recent studies have shown Graph Neural Networks (GNNs) are extremely vulnerable to attribute inference attacks. To tackle this challenge, existing privacy-preserving GNNs …
L Zhou, J Wang, D Fan, H Zhang, K Zhong - Physica A: Statistical …, 2023 - Elsevier
Graph neural networks (GNNs) can learn the node representations to capture both node features and graph topology information through the message passing mechanism …
Abstract Graph Neural Networks (GNNs) have proven to be highly effective in solving real- world learning problems that involve graph-structured data. However, GNNs can also …
Z Han, C Hu, T Li, Q Qi, P Tang, S Guo - Neural Networks, 2024 - Elsevier
Graph neural networks (GNN) are widely used in recommendation systems, but traditional centralized methods raise privacy concerns. To address this, we introduce a federated …
Graph structured data have enabled several successful applications such as recommendation systems and traffic prediction, given the rich node features and edges …
Currently, the federated graph neural network (GNN) has attracted a lot of attention due to its wide applications in reality without violating the privacy regulations. Among all the privacy …
Graph Neural Networks (GNNs) have demonstrated superior performance in learning node representations for various graph inference tasks. However, learning over graph data can …