
EAN: 9783384253729

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in the system. Note that all these works rely on a trusted central server to coor-dinate the distributed learning process which obviously becomes a single point of failure and can be subject to attacks. Only a couple of works like31 attempt to design decentralized multiparty learning systems. Note that only linear models are considered in31. To the best of our knowledge secure decentralized multiparty learning with heterogeneous models remains an open and challenging problem.In this section we propose a novel secure decentralized multiparty learning sys-tem by taking advantage of the blockchain technology called BEMA. In particular each party in a decentralized system broadcasts its local model and meanwhile processes the received (heard) models from other parties over his local dataset and identifies the models that need to be calibrated. Following our designed pro-tocol the party sends the calibration message to the corresponding parties. In so doing the parties in the system do not need to share their whole dataset with other parties. In this system we consider two types of Byzantine attacks in the system which can occur in model broadcasting and model calibration processes. To pro-tect system security we carefully design o -chain sample mining and on-chain
Produktinformationen zuletzt aktualisiert am
19.03.2025 um 00:14 Uhr
19.03.2025 um 00:14 Uhr
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