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Utility-preserving federated learning.
In: (AISec 2023 - Proceedings of the 16th ACM Workshop on Artificial Intelligence and Security, 30 November 2023, Copenhagen, Denmark). 2023. 55-65 (AISec 2023 - Proceedings of the 16th ACM Workshop on Artificial Intelligence and Security)
We investigate the concept of utility-preserving federated learning (UPFL) in the context of deep neural networks. We theoretically prove and experimentally validate that UPFL achieves the same accuracy as centralized training independent of the data distribution across the clients. We demonstrate that UPFL can fully take advantage of the momentum and weight decay techniques compared to centralized training, but it incurs substantial communication overhead. Ordinary federated learning, on the other hand, provides much higher communication efficiency, but it can partially benefit from the aforementioned techniques to improve utility. Given that, we propose a method called weighted gradient accumulation to gain more benefit from the momentum and weight decay akin to UPFL, while providing practical communication efficiency similar to ordinary federated learning.
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Publication type
Article: Conference contribution
Keywords
Federated Learning ; Utility-preserving Federated Learning ; Weighted Gradient Accumulation
Language
english
Publication Year
2023
HGF-reported in Year
2023
ISSN (print) / ISBN
9798400702600
Conference Title
AISec 2023 - Proceedings of the 16th ACM Workshop on Artificial Intelligence and Security
Conference Date
30 November 2023
Conference Location
Copenhagen, Denmark
Quellenangaben
Pages: 55-65
Institute(s)
Helmholtz Artifical Intelligence Cooperation Unit (HAICU)
Institute for Machine Learning in Biomed Imaging (IML)
Institute for Machine Learning in Biomed Imaging (IML)
POF-Topic(s)
30205 - Bioengineering and Digital Health
Research field(s)
Enabling and Novel Technologies
PSP Element(s)
G-530014-001
G-507100-001
G-507100-001
Scopus ID
85179583627
Erfassungsdatum
2024-01-19