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| Κανονικοποιημένη Ενίσχυση Κλίσης× | Ενίσχυση Κλίσης (Gradient Boosting)× | LightGBM× | |
|---|---|---|---|
| Πεδίο | Μηχανική Μάθηση | Μηχανική Μάθηση | Μηχανική Μάθηση |
| Οικογένεια | Machine learning | Machine learning | Machine learning |
| Έτος προέλευσης≠ | 2001 (gradient boosting); 2016 (explicit L1/L2 regularization in XGBoost) | 2001 | 2017 |
| Δημιουργός≠ | Chen, T. & Guestrin, C. (building on Friedman, J. H.) | Friedman, J. H. | Ke, G. et al. (Microsoft) |
| Τύπος≠ | Regularized ensemble (additive tree model) | Ensemble (sequential boosting of decision trees) | Gradient boosting decision tree ensemble |
| Θεμελιώδης πηγή≠ | 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. DOI ↗ | Friedman, J. H. (2001). Greedy Function Approximation: A Gradient Boosting Machine. Annals of Statistics, 29(5), 1189–1232. DOI ↗ | Ke, G., Meng, Q., Finley, T., Wang, T., Chen, W., Ma, W., Ye, Q. & Liu, T.-Y. (2017). LightGBM: A Highly Efficient Gradient Boosting Decision Tree. Advances in Neural Information Processing Systems (NeurIPS) 30, 3146–3154. link ↗ |
| Εναλλακτικές ονομασίες | penalized gradient boosting, shrinkage-regularized boosting, XGBoost-style regularization, L1/L2 gradient boosting | Gradient Boosting (GBM), GBM, gradient boosted trees, gradient boosting machine | LightGBM, Light Gradient Boosting Machine, lgbm, leaf-wise gradient boosting |
| Συναφείς≠ | 6 | 5 | 5 |
| Σύνοψη≠ | 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. | Gradient Boosting is an ensemble learning method, formalised by Jerome H. Friedman in 2001, that combines a sequence of weak learners — typically shallow decision trees — so that each new tree is fitted to minimise the residual errors of the trees before it. It is the core algorithm behind popular implementations such as XGBoost, LightGBM and CatBoost. | LightGBM is Microsoft's gradient boosting decision tree implementation, introduced by Ke and colleagues in 2017, that grows trees leaf-wise and bins features into histograms for speed. On large datasets it is much faster than XGBoost while retaining strong predictive accuracy. |
| ScholarGateΣύνολο δεδομένων ↗ |
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