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arXiv 2009.05604cs.LGstat.ML
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用数据交换学习:设备上联邦学习的激励机制

Trading Data For Learning: Incentive Mechanism For On-Device Federated Learning

University of Texas at San Antonio(德克萨斯大学圣安东尼奥分校)

Rui Hu, Yanmin Gong

摘要:

联邦学习基于在各种设备上分布式训练全局模型的概念。在此设置下,用户的设备对自己的数据执行计算,然后与云服务器共享结果以更新全局模型。这种系统的一个基本问题是有效地激励用户参与。在联邦模型的训练过程中,用户遭受其本地数据的隐私泄露。如果没有精心设计的激励机制,自私的用户将不愿意参与联邦学习任务并贡献他们的私人数据。为了弥补这一差距,本文采用博弈论设计了一种有效的激励机制,选择最有可能提供可靠数据的用户,并补偿他们的隐私泄露成本。我们制定我们的问题作为一个两阶段的Stackelberg游戏,并解决游戏的均衡。所提出的机制的有效性证明了广泛的模拟。

英文摘要:

Federated Learning rests on the notion of training a global model distributedly on various devices. Under this setting, users' devices perform computations on their own data and then share the results with the cloud server to update the global model. A fundamental issue in such systems is to effectively incentivize user participation. The users suffer from privacy leakage of their local data during the federated model training process. Without well-designed incentives, self-interested users will be unwilling to participate in federated learning tasks and contribute their private data. To bridge this gap, in this paper, we adopt the game theory to design an effective incentive mechanism, which selects users that are most likely to provide reliable data and compensates for their costs of privacy leakage. We formulate our problem as a two-stage Stackelberg game and solve the game's equilibrium. Effectiveness of the proposed mechanism is demonstrated by extensive simulations.

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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