Affiliation:
1. Fluminense Federal University, Niteroi, Brazil
2. University of Massachusetts
3. IBM T.J. Watson Research Center
Funder
National Science Foundation
Conselho Nacional de Desenvolvimento Cientifico e Tecnologico
U.S. Army Research Laboratory and the U.K. Ministry of Defence
Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro