A Reputation Model Based on Testimonies. - José de S. P. Guedes; Viviane Torres da Silva; Carlos José Pereira de Lucena (AOIS, 2006)

Governing Multi-Agent Systems. - Viviane Torres da Silva; Fernanda Duran; José de S. P. Guedes; Carlos José Pereira de Lucena (J. Braz. Comput. Soc., 2007)