PUFFLE: Balancing Privacy, Utility, and Fairness in Federated Learning

Fuente: arXiv
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Auteurs principaux: Corbucci, Luca, Heikkila, Mikko A, Noguero, David Solans, Monreale, Anna, Kourtellis, Nicolas
Format: Preprint
Publié: 2024
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author Corbucci, Luca
Heikkila, Mikko A
Noguero, David Solans
Monreale, Anna
Kourtellis, Nicolas
author_facet Corbucci, Luca
Heikkila, Mikko A
Noguero, David Solans
Monreale, Anna
Kourtellis, Nicolas
contents Training and deploying Machine Learning models that simultaneously adhere to principles of fairness and privacy while ensuring good utility poses a significant challenge. The interplay between these three factors of trustworthiness is frequently underestimated and remains insufficiently explored. Consequently, many efforts focus on ensuring only two of these factors, neglecting one in the process. The decentralization of the datasets and the variations in distributions among the clients exacerbate the complexity of achieving this ethical trade-off in the context of Federated Learning (FL). For the first time in FL literature, we address these three factors of trustworthiness. We introduce PUFFLE, a high-level parameterised approach that can help in the exploration of the balance between utility, privacy, and fairness in FL scenarios. We prove that PUFFLE can be effective across diverse datasets, models, and data distributions, reducing the model unfairness up to 75%, with a maximum reduction in the utility of 17% in the worst-case scenario, while maintaining strict privacy guarantees during the FL training.
format Preprint
id arxiv_https___arxiv_org_abs_2407_15224
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle PUFFLE: Balancing Privacy, Utility, and Fairness in Federated Learning
Corbucci, Luca
Heikkila, Mikko A
Noguero, David Solans
Monreale, Anna
Kourtellis, Nicolas
Machine Learning
Artificial Intelligence
Cryptography and Security
Computers and Society
Training and deploying Machine Learning models that simultaneously adhere to principles of fairness and privacy while ensuring good utility poses a significant challenge. The interplay between these three factors of trustworthiness is frequently underestimated and remains insufficiently explored. Consequently, many efforts focus on ensuring only two of these factors, neglecting one in the process. The decentralization of the datasets and the variations in distributions among the clients exacerbate the complexity of achieving this ethical trade-off in the context of Federated Learning (FL). For the first time in FL literature, we address these three factors of trustworthiness. We introduce PUFFLE, a high-level parameterised approach that can help in the exploration of the balance between utility, privacy, and fairness in FL scenarios. We prove that PUFFLE can be effective across diverse datasets, models, and data distributions, reducing the model unfairness up to 75%, with a maximum reduction in the utility of 17% in the worst-case scenario, while maintaining strict privacy guarantees during the FL training.
title PUFFLE: Balancing Privacy, Utility, and Fairness in Federated Learning
topic Machine Learning
Artificial Intelligence
Cryptography and Security
Computers and Society
url https://arxiv.org/abs/2407.15224