A Learning System for Selective Dissemination of Information. - Gianni Amati; Fabio Crestani; Flavio Ubaldini (IJCAI (1), 1997)

Probabilistic Learning for Information Filtering. - Gianni Amati; Fabio Crestani; Flavio Ubaldini; Stefano de Nardis (RIAO, 1997)

A Framework for Filtering News and Managing Distributed Data. - Gianni Amati; Daniela D'Aloisi; Vittorio Giannini; Flavio Ubaldini (J. Univers. Comput. Sci., 1997)