Nicola Leone Thomas Eiter Wolfgang Faber Michael Fink Georg Gottlob Luigi Granata Gianluigi Greco Edyta Kalka Giovambattista Ianni Domenico Lembo Maurizio Lenzerini Vincenzino Lio Bartosz Nowicki Riccardo Rosati Marco Ruzzi Witold Staniszkis Giorgio Terracina Data Integration: a Challenging ASP Application. 379-383 2005 conf/lpnmr/2005 LPNMR http://dx.doi.org/10.1007/11546207_31 db/conf/lpnmr/lpnmr2005.html#LeoneEFFGGGKILLLNRRST05