Discovering Significant Sequential Patterns in Data Stream by an Efficient Two-Phase Procedure

Table 2

Data characteristics.

Dataset	|I|	avgLength	|D|	Class
Mushrooms	112	21.0	8124	2
a2a	108	13.87	2265	2
T10I4D100K	870	10.1	100000	2
Bms-pos	1656	6.5	515597	2
Retail	16470	10.3	88162	2
Bms-web2	330285	4.59	77158	2