The Design and Implementation of the Ubidata Information Dissemination Framework. - Ana Paula Afonso 001; Mário J. Silva; João P. Campos; Francisco S. Regateiro (HUC, 1999)

ActiveXML: Compound Documents for Integration of Heterogeneous Data Sources. - João P. Campos; Mário J. Silva (ECDL, 2000)

A Deposit for Digital Collections. - Norman Noronha; João P. Campos; Daniel Gomes; Mário J. Silva; José Borbinha (ECDL, 2001)