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- W4387561005 abstract "Federated learning (FL) is a distributed learning paradigm that allows multiple decentralized clients to collaboratively learn a common model without sharing local data. Although local data is not exposed directly, privacy concerns nonetheless exist as clients' sensitive information can be inferred from intermediate computations. Moreover, such information leakage accumulates substantially over time as the same data is repeatedly used during the iterative learning process. As a result, it can be particularly difficult to balance the privacy-accuracy trade-off when designing privacy-preserving FL algorithms. In this paper, we introduce Upcycled-FL, a novel federated learning framework with first-order approximation applied at every even iteration. Under this framework, half of the FL updates incur no information leakage and require much less computation. We first conduct the theoretical analysis on the convergence (rate) of Upcycled-FL, and then apply perturbation mechanisms to preserve privacy. Experiments on real-world data show that Upcycled-FL consistently outperforms existing methods over heterogeneous data, and significantly improves privacy-accuracy trade-off while reducing 48% of the training time on average." @default.
- W4387561005 created "2023-10-12" @default.
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- W4387561005 date "2023-10-10" @default.
- W4387561005 modified "2023-10-13" @default.
- W4387561005 title "Federated Learning with Reduced Information Leakage and Computation" @default.
- W4387561005 doi "https://doi.org/10.48550/arxiv.2310.06341" @default.
- W4387561005 hasPublicationYear "2023" @default.
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