1. COPPE/Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
2. Current Affiliation: IBM Research, Rio de Janeiro, Brazil
3. Current Affiliation: Snap, Inc., Los Angeles, CA, USA
4. Campus Duque de Caxias/Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
5. Fluminense Federal University, Rio de Janeiro, Brazil
6. University of Montpellier, CNRS, LIRMM, Inria, Montpellier, France