Consider adversarial multitask networks with a high cost of sharing genuine information, where agents feed others unreliable information according to a time-varying probability caused by a high privacy cost. This makes agents in the network tend to be selfish, and it greatly increases the difficulty of effective information sharing and distributed multitask estimation without the prior cluster information. To address these problems, we propose an adaptive task-switching strategy that is governed by our formulated information sharing model, which cooperates with the proposed distributed adaptive task-switching learning and clustering for secure estimation over adversarial multi-task network (DATSLCS-AM) algorithm. This distributed algorithm guides agents to cooperate reasonably following reputation updating and pseudoclustering, which can improve the effectiveness of information sharing and also increase the security of estimation over adversarial multitask networks. The theoretical analysis of the adaptive pseudoclustering threshold is provided. Finally, extensive simulations validate the superior performance of our distributed algorithm.


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    Title :

    Distributed Clustering for Secure Multitask Estimation Based on Adaptive Task Switching


    Contributors:
    Chen, Feng (author) / Li, Jiapeng (author) / Zhang, Yuanyuan (author) / Shao, Xiaodan (author) / Duan, Shukai (author)


    Publication date :

    2023-10-01


    Size :

    1655193 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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