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	Apprendimento federato semi-supervisionato	Apprendimento semi-supervisionato
Campo	Apprendimento automatico	Apprendimento automatico
Famiglia	Machine learning	Machine learning
Anno di origine	2020	1970s–2006 (formalized)
Ideatore	Jeong, W. et al. / multiple independent groups	Vapnik, V. N. and others (community of researchers, 1970s–2000s)
Tipo	Distributed semi-supervised learning framework	Learning paradigm
Fonte seminale	Jeong, W., Yoon, J., Yang, E., & Hwang, S. J. (2020). Federated Semi-Supervised Learning with Inter-Client Consistency. International Conference on Learning Representations (ICLR 2021).	Chapelle, O., Scholkopf, B., & Zien, A. (Eds.) (2006). Semi-Supervised Learning. MIT Press. ISBN: 978-0-262-03358-9
Alias	SSL-FL, federated semi-supervised learning, FSSL, semi-supervised distributed learning	SSL, semi-supervised machine learning, transductive learning, label-efficient learning
Correlati	6	5
Sintesi	Semi-supervised federated learning (SSFL) trains a shared model across many decentralized clients — each holding private data — when only a subset of clients or a subset of local samples carry labels. It combines the privacy-preserving coordination of federated learning with the label-efficiency of semi-supervised techniques such as pseudo-labeling and consistency regularization, enabling strong model quality without centralizing sensitive data.	Semi-supervised learning (SSL) is a machine learning paradigm that trains models using a small set of labeled examples together with a much larger pool of unlabeled data. By leveraging the structure inherent in unlabeled data, SSL achieves accuracy closer to fully supervised models while requiring far fewer costly manual labels — making it practical when labeling is expensive, slow, or resource-constrained.