Autor: Andre Carvalho

João Mendes Moreira, Ph D, is an assistant professor in the Faculty of Engineering at the University of Porto, Porto, Portugal and is also a researcher in LIAAD-INESC TEC, Porto, Portugal. André de Carvalho, Ph D, is a full professor in the Institute of Mathematics and Computer Science at the University of São Paulo, Brazil. TomáS Horváth, Ph D, is an assistant professor at the Faculty of Informatics of the Eötvös Loránd University in Budapest, Hungary, and is also associated with the Faculty of Science at the Pavol Jozef Safárik University in Ko Sice, Slovakia.