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Leveraging Function Space Aggregation for Federated Learning at Scale
Feb. 20, 2024, 5:44 a.m. | Nikita Dhawan, Nicole Mitchell, Zachary Charles, Zachary Garrett, Gintare Karolina Dziugaite
cs.LG updates on arXiv.org arxiv.org
Abstract: The federated learning paradigm has motivated the development of methods for aggregating multiple client updates into a global server model, without sharing client data. Many federated learning algorithms, including the canonical Federated Averaging (FedAvg), take a direct (possibly weighted) average of the client parameter updates, motivated by results in distributed optimization. In this work, we adopt a function space perspective and propose a new algorithm, FedFish, that aggregates local approximations to the functions learned by …
abstract aggregation algorithms arxiv canonical client cs.lg data development federated learning function global multiple paradigm scale server space type updates
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