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- W4386869611 abstract "Spatial-temporal data contains rich information and has been widely studied in recent years due to the rapid development of relevant applications in many fields. For instance, medical institutions often use electrodes attached to different parts of a patient to analyse the electorencephal data rich with spatial and temporal features for health assessment and disease diagnosis. Existing research has mainly used deep learning techniques such as convolutional neural network (CNN) or recurrent neural network (RNN) to extract hidden spatial-temporal features. Yet, it is challenging to incorporate both inter-dependencies spatial information and dynamic temporal changes simultaneously. In reality, for a model that leverages these spatial-temporal features to fulfil complex prediction tasks, it often requires a colossal amount of training data in order to obtain satisfactory model performance. Considering the above-mentioned challenges, we propose an adaptive federated relevance framework, namely FedRel, for spatial-temporal graph learning in this paper. After transforming the raw spatial-temporal data into high-quality features, the core Dynamic Inter-Intra Graph (DIIG) module in the framework is able to use these features to generate the spatial-temporal graphs capable of capturing the hidden topological and long-term temporal correlation information in these graphs. To improve the model generalization ability and performance while preserving the local data privacy, we also design a relevance-driven federated learning module in our framework to leverage diverse data distributions from different participants with attentive aggregations of their models. In addition, we conduct extensive experiments on two real-world spatial-temporal datasets. The results demonstrate the effectiveness of our proposed framework in spatial-temporal interpretation, collaborative model training, and divergent data distribution handling in most settings of comparison." @default.
- W4386869611 created "2023-09-20" @default.
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- W4386869611 date "2023-01-01" @default.
- W4386869611 modified "2023-09-27" @default.
- W4386869611 title "An Adaptive Federated Relevance Framework for Spatial Temporal Graph Learning" @default.
- W4386869611 doi "https://doi.org/10.1109/tai.2023.3316629" @default.
- W4386869611 hasPublicationYear "2023" @default.
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