The images and data bases group at University of São Paulo - Traina, Agma Juci Machado; Traina Junior, Caetano; Ciferri, Cristina Dutra de Aguiar; Sousa, Elaine Parros Machado de; Rodrigues Junior, José Fernando; Cordeiro, Robson Leonardo Ferreira (Journal of Information and Data Management - JIDM, 2013)