Francesco Bonchi Fosca Giannotti Alessio Mazzanti Dino Pedreschi Exante: A Preprocessing Method for Frequent-Pattern Mining. 25-31 2005 20 IEEE Intelligent Systems 3 http://doi.ieeecomputersociety.org/10.1109/MIS.2005.45 db/journals/expert/expert20.html#BonchiGMP05