论文成果

Incentivizing Differentially Private Federated Learning: A Multidimensional Contract Approach

发布时间:2021-06-24 点击次数:

DOI码:10.1109/JIOT.2021.3050163

发表刊物:IEEE Internet of Things Journal

摘要:Federated learning is a promising tool in the Internet-of-Things (IoT) domain for training a machine learning model in a decentralized manner. Specifically, the data owners (e.g., IoT device consumers) keep their raw data and only share their local computation results to train the global model of the model owner (e.g., an IoT service provider). When executing the federated learning task, the data owners contribute their computation and communication resources. In this situation, the data owners have to face privacy issues where attackers may infer data property or recover the raw data based on the shared information. Considering these disadvantages, the data owners will be reluctant to use their data to participate in federated learning without a well-designed incentive mechanism. In this article, we deliberately design an incentive mechanism jointly considering the task expenditure and privacy issue of federated learning. Based on a differentially private federated learning (DPFL) framework that can prevent the privacy leakage of the data owners, we model the contribution as well as the computation, communication, and privacy costs of each data owner. The three types of costs are data owners鈥?private information unknown to the model owner, which thus forms an information asymmetry. To maximize the utility of the model owner under such information asymmetry, we leverage a 3-D contract approach to design the incentive mechanism. The simulation results validate the effectiveness of the proposed incentive mechanism with the DPFL framework compared to other baseline mechanisms.

第一作者:M. Wu, D. Ye, J. Ding, Y. Guo, R. Yu, M. Pan

论文类型:期刊论文

卷号:8

期号:13

ISSN号:2327-4662

是否译文:

发表时间:2021-01-08

上一条:Toward Resource-Efficient Federated Learning in Mobile Edge Computing下一条:Federated Learning in Vehicular Edge Computing: A Selective Model Aggregation Approach

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