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A Pattern Classification Approach Boosted With Genetic AlgorithmsYalabik, Ismet 01 June 2007 (has links) (PDF)
Ensemble learning is a multiple-classi& / #64257 / er machine learning approach which combines, produces collections and ensembles statistical classi& / #64257 / ers to build up more accurate classi& / #64257 / er than the individual classi& / #64257 / ers. Bagging, boosting and voting methods are the basic examples of ensemble learning. In this thesis, a novel boosting technique targeting to solve partial problems of AdaBoost, a well-known boosting algorithm, is proposed. The proposed systems & / #64257 / nd an elegant way of boosting a bunch of classi& / #64257 / ers successively to form a better classi& / #64257 / er than each ensembled classi& / #64257 / er. AdaBoost algorithm employs a greedy search over hypothesis space to & / #64257 / nd a good suboptimal solution. On the other hand, this work proposes an evolutionary search with genetic algorithms instead of greedy search. Empirical results show that classi& / #64257 / cation with boosted evolutionary computing outperforms AdaBoost in equivalent experimental environments.
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