Pedrosa, Glauco Vitor, 		Oliveira Rezende, Solange Oliveira, AND 		Traina, Agma Juci Machado.
" Reducing the dimensionality of the SIFT descriptor and increasing its effectiveness and efficiency in image retrieval via bag-of-features" <em>Proceedings of the Brazilian Symposium on Multimedia and the Web (WebMedia)</em> [Online], (15 October 2012)