R. Agrawal, T. Imielinski, and A. Swami. IEEE Transansaction on Knowledge and Data Engineering : Special issue
on learning and discovery in knowledge-based databases, 5 (6):
914--925(December 1993)
B. Lent, R. Agrawal, and R. Srikant. Proceedings of the 3rd international conference on Knowledge Discovery
and Data mining (KDD'97), page 227--230. AAAI Press, (August 1997)
D. Gunopulos, R. Khardon, H. Mannila, and H. Toivonen. Proceedings of the 16th ACM SIGACT-SIGMOD-SIGART symposium on Principles
of Database Systems (PODS'97), page 209--216. ACM Press, (May 1997)
G. Dong, and J. Li. Proceedings of the 2nd Pacific-Asia international conference on research
and development in Knowledge Discovery and Data mining (PAKDD'98), page 72--86. Springer-Verlag, (April 1998)