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Secure Bilevel Asynchronous Vertical Federated Learning with Backward Updating

AAAI 2021 · Federated learning and privacy › Personalized and heterogeneous FL · approach: Vertical federated learning · 58 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add backward updating so passive parties can update their feature blocks using the transmitted loss derivativeVF-B²-SVRG · D1 (UCICreditCard), strongly convex logistic regressionaccuracy: 79.35%$\pm$0.19% -> 81.96%$\pm$0.22%Helped
Add backward updating so passive parties can update their feature blocks using the transmitted loss derivativeVF-B²-SVRG · D2 (GiveMeSomeCredit), strongly convex logistic regressionaccuracy: 93.35%$\pm$0.18% -> 93.56%$\pm$0.20%Helped
Add backward updating so passive parties can update their feature blocks using the transmitted loss derivativeVF-B²-SVRG · D3 (news20), strongly convex logistic regressionaccuracy: 97.24%$\pm$0.11% -> 98.29%$\pm$0.20%Helped
Add backward updating so passive parties can update their feature blocks using the transmitted loss derivativeVF-B²-SVRG · D4 (webspam), strongly convex logistic regressionaccuracy: 89.17%$\pm$0.10% -> 92.17%$\pm$0.13%Helped
Add backward updating so passive parties can update their feature blocks using the transmitted loss derivativeVF-B²-SVRG · D1–D4, nonconvex logistic regressionaccuracyHelped
Use backward updating with asynchronous rather than synchronous executionVF-B²-SGD, VF-B²-SVRG, and VF-B²-SAGA · Classification and regression experimentstime to reach a given lossHelped
Use variance reduction (SVRG or SAGA) rather than SGDVF-B² algorithms · Classification experimentsconvergence rate over epochsHelped

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