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首页> 外文期刊>International journal of web services research >A Graph Neural Network-Based Algorithm for Point-of-Interest Recommendation Using Social Relation and Time Series
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A Graph Neural Network-Based Algorithm for Point-of-Interest Recommendation Using Social Relation and Time Series

机译：A Graph Neural Network-Based Algorithm for Point-of-Interest Recommendation Using Social Relation and Time Series

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摘要

POI recommendation has gradually become an important topic in the field of service recommendation, which is always achieved by mining user behavior patterns. However, the context information of the collaborative signal is not encoded in the embedding process of traditional POI recommendation methods, which is not enough to capture the collaborative signal among different users. Therefore, a POI recommendation algorithm is presented by using social-time context graph neural network model (GNN) in location-based social networks. First, it finds similarities between different social relationships based on the users' social and temporal behavior. Then, the similarity among different users is calculated by an improved Euclidean distance. Finally, it integrates the graph neural network, the interaction bipartite graph of users and social-time information into the algorithm to generate the final recommendation list in this paper. Experiments on real datasets show that the proposed method is superior to the state-of-the-art POI recommendation methods.

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