Olimpo System Web-Tecnology for Electronic Government and World Peace. - Hugo Cesar Hoeschl; Tânia C. D'Agostini Bueno; Vania Barcellos; Andre Bortolon; Eduardo da Silva Mattos (ICEIS (2), 2004)

Artificial Intelligence and Law. - Hugo Cesar Hoeschl; Vania Barcellos (AIAI, 2004)

Artificial Intelligence and Knowledge Management. - Hugo Cesar Hoeschl; Vania Barcellos (IFIP AI, 2006)