Advances in Robust Federated Learning: Heterogeneity Considerations

• URL: http://arxiv.org/abs/2405.09839v1
• Date: Thu, 16 May 2024 06:35:42 GMT
• Title: Advances in Robust Federated Learning: Heterogeneity Considerations
• Authors: Chuan Chen, Tianchi Liao, Xiaojun Deng, Zihou Wu, Sheng Huang, Zibin Zheng,
• Abstract summary: Key challenge is to efficiently train models across multiple clients with different data distributions, model structures, task objectives, computational capabilities, and communication resources. In this paper, we first outline the basic concepts of heterogeneous federated learning. We then summarize the research challenges in federated learning in terms of five aspects: data, model, task, device, and communication.
• Score: 25.261572089655264
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In the field of heterogeneous federated learning (FL), the key challenge is to efficiently and collaboratively train models across multiple clients with different data distributions, model structures, task objectives, computational capabilities, and communication resources. This diversity leads to significant heterogeneity, which increases the complexity of model training. In this paper, we first outline the basic concepts of heterogeneous federated learning and summarize the research challenges in federated learning in terms of five aspects: data, model, task, device, and communication. In addition, we explore how existing state-of-the-art approaches cope with the heterogeneity of federated learning, and categorize and review these approaches at three different levels: data-level, model-level, and architecture-level. Subsequently, the paper extensively discusses privacy-preserving strategies in heterogeneous federated learning environments. Finally, the paper discusses current open issues and directions for future research, aiming to promote the further development of heterogeneous federated learning.

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