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	Regularyzowane uczenie federacyjne	Uregulowany gradientowy boosting
Dziedzina	Uczenie maszynowe	Uczenie maszynowe
Rodzina	Machine learning	Machine learning
Rok powstania	2020	2001 (gradient boosting); 2016 (explicit L1/L2 regularization in XGBoost)
Twórca	Li, T. et al. (FedProx); McMahan, B. et al. (FedAvg base)	Chen, T. & Guestrin, C. (building on Friedman, J. H.)
Typ	Distributed optimization with regularization	Regularized ensemble (additive tree model)
Źródło pierwotne	Li, T., Sahu, A. K., Zaheer, M., Sanjabi, M., Talwalkar, A., & Smith, V. (2020). Federated Optimization in Heterogeneous Networks. Proceedings of Machine Learning and Systems (MLSys), 2, 429–450.	Chen, T. & Guestrin, C. (2016). XGBoost: A scalable tree boosting system. Proceedings of the 22nd ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 785–794.
Inne nazwy	FedProx, federated learning with regularization, proximal federated learning, penalized federated optimization	penalized gradient boosting, shrinkage-regularized boosting, XGBoost-style regularization, L1/L2 gradient boosting
Pokrewne	6	6
Podsumowanie	Regularized federated learning extends the federated learning framework by adding penalty terms to each client's local objective, anchoring local updates closer to the global model. The canonical formulation — FedProx — adds a proximal term that controls how far any single client can drift, improving convergence and stability when client data distributions differ substantially.	Regularized gradient boosting extends the classic additive tree ensemble (Friedman 2001) by embedding L1 and L2 penalty terms directly into the training objective, along with a complexity penalty on tree size. Popularized by XGBoost (Chen & Guestrin 2016), this framework reduces overfitting and improves generalization compared to unpenalized boosting, while retaining the method's characteristic accuracy on tabular data.