Celso Y. Ishida Andre B. de Carvalho Aurora Trinidad Ramirez Pozo Elizabeth Ferreira Gouvea Goldbarg Marco César Goldbarg Exploring Multi-objective PSO and GRASP-PR for Rule Induction. 73-84 2008 EvoCOP http://dx.doi.org/10.1007/978-3-540-78604-7_7 conf/evoW/2008cop db/conf/evoW/evocop2008.html#IshidaCPGG08