Neil Paiva Tizzo José Renato Borelli Manuel de Jesus Mendes Luciano Lançia Damasceno Aqueo Kamada Adriana Maria C. M. Figueiredo Marcos Antonio Rodrigues Souza G. Service Composition Applied to E-Government. 307-326 2004 conf/i3e/2004 I3E db/conf/i3e/i3e2004.html#TizzoBMDKFRG04