Advances in Intelligent Data Analysis 4th International Conference, IDA 2001, Cascais, Portugal, September 13-15, 2001. Proceedings - Hoffmann, Frank; Hoffmann, Frank; Hand, David J.; Hand, David J.; Adams, Niall M.; Adams, Niall M.; Fisher, Douglas; Fisher, Douglas; Guimaraes, Gabriela; Guimaraes, Gabriela (Springer Berlin Heidelberg : Imprint: Springer, 2001)