@INPROCEEDINGS{szathmary07b, author = {Szathmary, L. and Napoli, A. and Valtchev, P.}, title = {{Towards Rare Itemset Mining}}, booktitle = {Proc. of the 19th IEEE Intl. Conf. on Tools with Artificial Intelligence (ICTAI '07)}, address = {Patras, Greece}, volume = {1}, pages = {305--312}, year = {2007}, month = {Oct}, URL = {http://hal.inria.fr/inria-00189424/en/}, keywords = {itemset extraction; rare item problem; rare itemsets} }