Shlomo Berkovsky, Commonwealth Scientific and Industrial Research Organization (CSIRO), Hobart, Australia. Shlomo.Berkovsky@csiro.au
Francesca Carmagnola, the University of Torino, Torino Italy. carmagnola@di.unito.it
Dominikus Heckmann, the German Research Centre for Artificial Intelligence (DFKI GmbH), Saarbrucken, Germany. heckmann@dfki.de
Tsvi Kuflik, the Management Information Systems Department, the University of Haifa. Haifa, Israel. tsvikak@is.haifa.ac.il