1. Institute of Informatics (INF), Universidade Federal de Goiás (UFG), Goiás, Brazil
2. Applied Computing Graduate Program (PPGCA), University of Vale do Rio dos Sinos (UNISINOS), São Leopoldo, Brazil
3. Federal Technological University of Paraná (UTFPR), Toledo, Brazil
4. AT&T Shannon Labs, Bedminster, NJ, USA
5. Department of Informatics (DInf), Federal University of Parana (UFPR), Curitiba, Brazil