Intelligence in Services and Networks: Technology for Ubiquitous Telecom Services 5th International Conference on Intelligence in Services and Networks, IS&N'98, Antwerp, Belgium, May 25-28, 1998, Proceedings - Trigila, Sebastiano; Trigila, Sebastiano; Mullery, Al; Mullery, Al; Campolargo, Mario; Campolargo, Mario; Vanderstraeten, Hans; Vanderstraeten, Hans; Mampaey, Marcel; Mampaey, Marcel (Springer Berlin Heidelberg : Imprint: Springer, 1998)