Presentation at 8th Workshop on Distributed Software Development, Software Ecosystems and Systems-of-Systems - WDES 2014 Website: http://wdes2014.icmc.usp.br/Index_en Proceedings (per paper): http://www.lbd.dcc.ufmg.br/bdbcomp/servlet/Evento?id=787 Proceedings (volume): http://www.ic.ufal.br/evento/cbsoft2014/anais/wdes_v1_p.pdf