Federated Learning without Full Labels: A Survey
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Abstract (arXiv)
Data privacy has become an increasingly important concern in real-world big data applications such as machine learning. To address the problem, federated learning (FL) has been a promising solution to building effective machine learning models from decentralized and private data. Existing federated learning algorithms mainly tackle the supervised learning problem, where data are assumed to be fully labeled. However, in practice, fully labeled data is often hard to obtain, as the participants may not have sufficient domain expertise, or they lack the motivation and tools to label data. Therefore, the problem of federated learning without full labels is important in real-world FL applications. In this paper, we discuss how the problem can be solved with machine learning techniques that leverage unlabeled data. We present a survey of methods that combine FL with semi-supervised learning, self-supervised learning, and transfer learning methods. We also summarize the datasets used to evaluate FL methods without full labels. Finally, we highlight future directions in the context of FL without full labels.
Key facts. Cited by 13 papers in the map (data through 14 Oct 2026). Builds on 64 of its 92 references that are in the map. First posted on arXiv 25 Mar 2023.
Builds on
64 of 92 references.
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- 2024Robust Training of Federated Models with Extremely Label Deficiency22 Feb 2024
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- 2024Rethinking the Representation in Federated Unsupervised Learning with Non-IID Datacited by 13
- 2024Federated Learning with Bilateral Curation for Partially Class-Disjoint Datacited by 13
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- 2025FedDyMem: Efficient Federated Learning with Dynamic Memory and Memory-Reduce for Unsupervised Image Anomaly Detection28 Feb 2025
- 2024Federated Clustering: An Unsupervised Cluster-Wise Training for Decentralized Data Distributions20 Aug 2024
- 2024Fair Federated Data Clustering through Personalization: Bridging the Gap between Diverse Data Distributions5 Jul 2024
- 2024Federated Learning with Bilateral Curation for Partially Class-Disjoint Data29 May 2024
- 2024Locally Estimated Global Perturbations are Better than Local Perturbations for Federated Sharpness-aware Minimization29 May 2024
- 2024Federated Learning for Misbehaviour Detection with Variational Autoencoders and Gaussian Mixture Models16 May 2024
- 2024Rethinking the Representation in Federated Unsupervised Learning with Non-IID Data25 Mar 2024
- 2024Robust Training of Federated Models with Extremely Label Deficiency22 Feb 2024
- 2023Federated Learning for Generalization, Robustness, Fairness: A Survey and Benchmark12 Nov 2023
- 2023Navigating Data Heterogeneity in Federated Learning A Semi-Supervised Federated Object Detection26 Oct 2023