Katia S. Guimarães Anna R. Panchenko Teresa M. Przytycka Advances in Bioinformatics and Computational Biology, 4th Brazilian Symposium on Bioinformatics, BSB 2009, Porto Alegre, Brazil, July 29-31, 2009. Proceedings 5676 2009 http://dx.doi.org/10.1007/978-3-642-03223-3 978-3-642-03222-6 BSB Lecture Notes in Computer Science Springer db/conf/wob/bsb2009.html