Genoveva Vargas-Solar Khalid Belhajjame Esaú E. Castillo Contreras Karla Joana Peredo Márquez 299-302 2003 conf/wise/2003 WISE http://doi.ieeecomputersociety.org/10.1109/WISE.2003.1254498 db/conf/wise/wise2003.html#Vargas-SolarBCM03