Hugo Cesar Hoeschl Érica Bezerra Queiroz Ribeiro Louise Barcia Ramos Reis Thais Helena Bigliazzi Garcia Andre Bortolon Filipe Corrêa da Costa Irineu Theiss Santa Catarina Information Technology Nucleus NECATI. 492-495 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2739&spage=492 2003 conf/egov/2003 EGOV db/conf/egov/egov2003.html#HoeschlRRGBCT03