1. Canu, S., Grandvalet, Y., Guigue, V., Rakotomamonjy, A.: SVM and Kernel Methods Matlab Toolbox. Published: Perception Systmes et Information, INSA de Rouen, Rouen, France (2005)
2. Chacko, B.P., Vimal Krishnan, V.R., Raju, G., Babu Anto, P.: Handwritten character recognition using wavelet energy and extreme learning machine. Int. J. Mach. Learn. Cybern. 3(2), 149–161 (2012)
3. Cortes, C., Vapnik, V.: Support-vector networks. Mach. Learn. 20(3), 273–297 (1995)
4. DBLP bibliography: http://www.informatik.uni-trier.de/ ley/db/ . Accessed May 2012
5. The Porter stemming algorithm: http://snowball.tartarus.org/algorithms/porter/stemmer.html . Accessed July 1980