Bruno Feres de Souza André Carlos Ponce Leon Ferreira de Carvalho Rodrigo Calvo Renato Porfirio Ishii Multiclass SVM Model Selection Using Particle Swarm Optimization. 31 2006 conf/his/2006 HIS http://doi.ieeecomputersociety.org/10.1109/HIS.2006.50 db/conf/his/his2006.html#SouzaCCI06