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arXiv 2104.11700cs.LGcs.DCcs.NEcs.NI
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基于混合专家模型的鲁棒联邦学习

Robust Federated Learning by Mixture of Experts

University of Toronto(多伦多大学)

Saeedeh Parsaeefard, Sayed Ehsan Etesami, Alberto Leon Garcia

摘要:

提出了一种基于混合专家模型(MoE)概念的加权平均模型,以提高联邦学习(FL)对中毒/损坏/过时局部模型的鲁棒性。这些威胁以及数据集的非IID性质可以大大降低FL模型的准确性。我们提出的MoE-FL设置依赖于用户和服务器之间的信任,其中用户与服务器共享其公共数据集的一部分。服务器通过解决优化问题或Softmax方法来应用鲁棒聚合方法,以突出异常情况并减少其对FL过程的不利影响。我们的实验表明,MoE-FL的性能优于传统的聚合方法的高速率的中毒数据从攻击者。

英文摘要:

We present a novel weighted average model based on the mixture of experts (MoE) concept to provide robustness in Federated learning (FL) against the poisoned/corrupted/outdated local models. These threats along with the non-IID nature of data sets can considerably diminish the accuracy of the FL model. Our proposed MoE-FL setup relies on the trust between users and the server where the users share a portion of their public data sets with the server. The server applies a robust aggregation method by solving the optimization problem or the Softmax method to highlight the outlier cases and to reduce their adverse effect on the FL process. Our experiments illustrate that MoE-FL outperforms the performance of the traditional aggregation approach for high rate of poisoned data from attackers.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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