Abstract
Due to the fact that the client's data distribution in federated learning (FL) is highly heterogeneous and leads to poor convergence, the concept of personalized federated learning (PFL) is on the rise. PFL aims to tackle the effect of non-IID data and statistical heterogeneity problems along with achieving rapid model convergence and personalized models. Moreover, in the context of clustering-based PFL, it allows a multi-model method with group-level client relationships to accomplish personalization. However, since the current method still relies on the centralized method, where the server orchestrates all processes, this paper introduces a blockchain-enabled distributed edge cluster for PFL (BPFL) that exploits the benefits of blockchain and edge computing to address these shortcomings. Blockchain can be employed to enhance client privacy and security by recording all transactions in immutable distributed ledger networks as well as improving efficient client selection and clustering. Furthermore, an edge computing system offers reliable storage and computation, where computational processing is locally performed in the edge infrastructure to be closer to clients. Thus, it also improves real-time services and low-latency communication of PFL.
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Acknowledgements
This research was supported by the MSIT (Ministry of Science and ICT), Korea, under the ITRC (Information Technology Research Center) support program (IITP-2022-2020-0-01797) supervised by the IITP (Institute for Information & Communications Technology Planning & Evaluation) and partially supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (No. 2021R1I1A3046590).
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Firdaus, M., Noh, S., Qian, Z., Rhee, KH. (2023). BPFL: Blockchain-Enabled Distributed Edge Cluster for Personalized Federated Learning. In: Park, J.S., Yang, L.T., Pan, Y., Park, J.H. (eds) Advances in Computer Science and Ubiquitous Computing. CUTECSA 2022. Lecture Notes in Electrical Engineering, vol 1028. Springer, Singapore. https://doi.org/10.1007/978-981-99-1252-0_57
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DOI: https://doi.org/10.1007/978-981-99-1252-0_57
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