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Published in:
2010 | OriginalPaper | Chapter
Incremental Learning by Heterogeneous Bagging Ensemble
Authors : Qiang Li Zhao, Yan Huang Jiang, Ming Xu
Published in: Advanced Data Mining and Applications
Publisher: Springer Berlin Heidelberg
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Classifier ensemble is a main direction of incremental learning researches, and many ensemble-based incremental learning methods have been presented. Among them, Learn++, which is derived from the famous ensemble algorithm, AdaBoost, is special. Learn++ can work with any type of classifiers, either they are specially designed for incremental learning or not, this makes Learn++ potentially supports heterogeneous base classifiers. Based on massive experiments we analyze the advantages and disadvantages of Learn++. Then a new ensemble incremental learning method, Bagging++, is presented, which is based on another famous ensemble method: Bagging. The experimental results show that Bagging ensemble is a promising method for incremental learning and heterogeneous Bagging++ has the better generalization and learning speed than other compared methods such as Learn++ and NCL.