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94 results about "Social content" patented technology

Social network influence prediction method and device based on graph neural network

ActiveCN113792937AImproved Domain Aggregation StrategyThe influence prediction task is accurateDigital data information retrievalForecastingPredictive methodsNetwork structure
The invention provides a social network influence prediction method and device based on a graph neural network, and a medium. The method and the device can help a social platform to provide more accurate social content recommendation and friend recommendation for users. The method comprises the following steps: extracting key fields of interaction behaviors from data of a social network platform, and constructing a user global social relation network; sampling to obtain a user local social relation network; splicing the network structure feature and the attribute feature to obtain an initialized feature representation of the user node; according to the interaction frequency in the key field, assigning the adjacent matrix again to obtain a connection strength matrix, and stacking the adjacent matrix and the connection strength matrix to obtain a multi-channel matrix; constructing a graph neural network model comprising a graph convolutional neural network layer and a graph attention neural network layer, and obtaining features of the user nodes learned by the graph neural network model; and constructing a prediction classifier based on the full-connection neural network, and outputting predicted social network influence through the trained prediction classifier.
Owner:NAT UNIV OF DEFENSE TECH
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