3[3]Agrawal R,et al.Mining association rules between sets of items in large databases.In:Proc ACM SIGMOD int'l conf,management of data,Wshington DC,1993,5:207~216.
4R. Agrawal, T.Imielinski, and A.N. Swami, Mining Association Rules Between Sets of Items in Large Databases[A]. In:Proceedings of the 1993 ACM SIGMOD International Conference on management of data[C], pp.207-216, Washington,D.C., May 1993.
5K.Hatonen et al. Knowledge Discovery from Telecommunication Network Alarm Databases. ICDE'96,Feb/March, 1996.
6Mannila H, Toivonen H, Verkamo A I. Discovery of frequent episodes in event sequences[J]. Data Mining and Knowledge Discovery, 1997(1): P259-289.