FeDABoost: Fairness Aware Federated Learning with Adaptive Boosting

• URL: http://arxiv.org/abs/2510.02914v1
• Date: Fri, 03 Oct 2025 11:36:08 GMT
• Title: FeDABoost: Fairness Aware Federated Learning with Adaptive Boosting
• Authors: Tharuka Kasthuri Arachchige, Veselka Boeva, Shahrooz Abghari,
• Abstract summary: This work focuses on improving the performance and fairness of Federated Learning (FL) in non IID settings.<n>We propose FeDABoost, a novel FL framework that integrates a dynamic boosting mechanism and an adaptive gradient aggregation strategy.
• Score: 0.1529342790344802
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This work focuses on improving the performance and fairness of Federated Learning (FL) in non IID settings by enhancing model aggregation and boosting the training of underperforming clients. We propose FeDABoost, a novel FL framework that integrates a dynamic boosting mechanism and an adaptive gradient aggregation strategy. Inspired by the weighting mechanism of the Multiclass AdaBoost (SAMME) algorithm, our aggregation method assigns higher weights to clients with lower local error rates, thereby promoting more reliable contributions to the global model. In parallel, FeDABoost dynamically boosts underperforming clients by adjusting the focal loss focusing parameter, emphasizing hard to classify examples during local training. We have evaluated FeDABoost on three benchmark datasets MNIST, FEMNIST, and CIFAR10, and compared its performance with those of FedAvg and Ditto. The results show that FeDABoost achieves improved fairness and competitive performance.

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