Cavalcanti, J. M. B., M. A. Cristo, D. B. Fernandes, E. S. de Moura, and A. S. da Silva. “The Database and Information Retrieval Research Group at UFAM”. Journal of Information and Data Management, vol. 2, no. 2, Sept. 2011, p. 139, doi:10.5753/jidm.2011.1398.