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Boosting in the presence of label noise
Proceedings of the 29th Conference on Uncertainty in Artificial Intelligence, PMLR R11:312-321, 2013.
Abstract
Boosting is known to be sensitive to label noise. We studied two approaches to improve AdaBoost’s robustness against labelling er- rors. One is to employ a label-noise robust classifier as a base learner, while the other is to modify the AdaBoost algorithm to be more robust. Empirical evaluation shows that a committee of robust classifiers, al- though converges faster than non label-noise aware AdaBoost, is still susceptible to label noise. However, pairing it with the new ro- bust Boosting algorithm we propose here re- sults in a more resilient algorithm under mis- labelling.