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- W3212314094 abstract "Learning network representations of Web services plays a critical role in the service ecosystem and facilitates many downstream tasks, e.g., service composition, service recommendation, service clustering, and service classification, etc. However, the performance of most of the existing approaches is limited by the sparse and non-interaction relationships between services. Considering these shortcomings, by proposing a balance theory based weighted signed graph convolutional network, we explore a dedicated signed service link prediction method to expand accurate links in service relation networks. Concretely, we first define the positive and negative links based on historical prior knowledge concerning services, and then construct a signed service relation network. Furthermore, on the basis of quantifying the influence of different neighbor nodes, we employ balance theory to correctly aggregate and propagate the information across layers through a weighted signed graph convolutional network. Finally, we splice all service embeddings in pairs, and a multi-layer perceptron classifier is used to predict the links between services. Comparative experiments with six baselines demonstrate that our method significantly outperforms the state-of-the-art link prediction models." @default.
- W3212314094 created "2021-11-22" @default.
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- W3212314094 date "2021-09-01" @default.
- W3212314094 modified "2023-10-06" @default.
- W3212314094 title "WSGCN4SLP: Weighted Signed Graph Convolutional Network for Service Link Prediction" @default.
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- W3212314094 doi "https://doi.org/10.1109/icws53863.2021.00029" @default.
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