High Order Collaboration-Oriented Federated Graph Neural Network for Accurate QoS Prediction

• URL: http://arxiv.org/abs/2507.05308v1
• Date: Mon, 07 Jul 2025 09:28:49 GMT
• Title: High Order Collaboration-Oriented Federated Graph Neural Network for Accurate QoS Prediction
• Authors: Zehuan Chen, Xiangwei Lai,
• Abstract summary: Federated Graph Neural Networks (FGNNs) can perform data prediction as well as maintaining user privacy.<n>Existing FGNN-based predictors commonly implement on-device training on scattered explicit user-service graphs.<n>This study proposes a high order collaboration-oriented graph neural network (HCFGNN) to obtain accurate prediction with privacy preservation.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Predicting Quality of Service (QoS) data crucial for cloud service selection, where user privacy is a critical concern. Federated Graph Neural Networks (FGNNs) can perform QoS data prediction as well as maintaining user privacy. However, existing FGNN-based QoS predictors commonly implement on-device training on scattered explicit user-service graphs, thereby failing to utilize the implicit user-user interactions. To address this issue, this study proposes a high order collaboration-oriented federated graph neural network (HC-FGNN) to obtain accurate QoS prediction with privacy preservation. Concretely, it magnifies the explicit user-service graphs following the principle of attention mechanism to obtain the high order collaboration, which reflects the implicit user-user interactions. Moreover, it utilizes a lightweight-based message aggregation way to improve the computational efficiency. The extensive experiments on two QoS datasets from real application indicate that the proposed HC-FGNN possesses the advantages of high prediction accurate and privacy protection.

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