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Information Sciences
Volume 177, Issue 2, 15 January 2007, Pages 476-489
 
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doi:10.1016/j.ins.2006.03.015    How to Cite or Link Using DOI (Opens New Window)
Copyright © 2006 Elsevier Inc. All rights reserved.

Support vector machines with genetic fuzzy feature transformation for biomedical data classificationstar, open

Bo Jina, E-mail The Corresponding Author, Y.C. Tanga, E-mail The Corresponding Author and Yan-Qing ZhangCorresponding Author Contact Information, a, E-mail The Corresponding Author, E-mail The Corresponding Author

aDepartment of Computer Science, Georgia State University, Atlanta, GA 30302-3994, USA

Available online 24 April 2006.

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Abstract

In this paper, we present a genetic fuzzy feature transformation method for support vector machines (SVMs) to do more accurate data classification. Given data are first transformed into a high feature space by a fuzzy system, and then SVMs are used to map data into a higher feature space and then construct the hyperplane to make a final decision. Genetic algorithms are used to optimize the fuzzy feature transformation so as to use the newly generated features to help SVMs do more accurate biomedical data classification under uncertainty. The experimental results show that the new genetic fuzzy SVMs have better generalization abilities than the traditional SVMs in terms of prediction accuracy.

Keywords: Support vector machines; Feature transformation; Fuzzy logic; Genetic algorithms; Data classification; Bioinformatics

Article Outline

1. Introduction
2. SVMs
3. Fuzzy feature transformation
3.1. General model for fuzzy feature transformation
3.2. Experimental model for fuzzy feature transformation
4. Genetic fuzzy SVMs
4.1. Chromosome definition
4.2. Fitness and performance evaluation of SVMs
4.3. Operations of genetic algorithms
4.4. Architecture and learning procedure
5. Experiment and analysis
5.1. Experimental data
5.2. Experimental setup
5.3. Experimental results
6. Conclusion and future work
References




Information Sciences
Volume 177, Issue 2, 15 January 2007, Pages 476-489
 
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