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Cross-Silo Federated Learning for Multi-Tier Networks with Vertical and Horizontal Data Partitioning
April 26, 2024, 4:42 a.m. | Anirban Das, Timothy Castiglia, Shiqiang Wang, Stacy Patterson
cs.LG updates on arXiv.org arxiv.org
Abstract: We consider federated learning in tiered communication networks. Our network model consists of a set of silos, each holding a vertical partition of the data. Each silo contains a hub and a set of clients, with the silo's vertical data shard partitioned horizontally across its clients. We propose Tiered Decentralized Coordinate Descent (TDCD), a communication-efficient decentralized training algorithm for such two-tiered networks. The clients in each silo perform multiple local gradient steps before sharing updates …
abstract arxiv communication cs.dc cs.lg data data partitioning federated learning hub network networks partitioning set type
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