Heterogeneous Line Graph Neural Network for Link Prediction.
Advanced Data Mining and Applications: 19th International Conference, ADMA 2023, Shenyang, China, August 21–23, 2023, Proceedings, Part V(2023)
摘要
Heterogeneous network link prediction is an important network information mining problem. Existing link prediction methods for heterogeneous networks typically require predefined meta-paths with prior knowledge. To address the problem, we propose a new model, named Heterogeneous Line Graph Neural Network (HLGNN), in this paper. Firstly, we design a line graph transformation module to encapsulate node features and transform the heterogeneous network into a heterogeneous line graph. Then, we propose an intra-type aggregation component to collect the same type of edges. As we have aggregated node information in each type, we design an inter-layer aggregation to combine messages from multiple node types. Finally, we put the aggregation results into a multilayer perceptron to achieve link prediction. The experimental results show that, compared to the state-of-the-art baselines, the proposed method achieves superior performance.
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关键词
graph,neural network,heterogeneous
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