Rossi-Doria, O., Sampels, M., Birattari, M., Chiarandini, M., Dorigo, M., Gambardella, L. M., Knowles, J., Manfrin, M., Mastrolilli, M., Paechter, B., Paquete, L., & Stutzle, T. (2002, August). A comparison of the performance of different metaheuristics on the timetabling problem