Table 3.

The characteristics of the datasets.

Dataset	Size (MB)	# Items	# Trans	AvgTrans	MaxSup	MinSup (%)
Mushroom	19.3	119	8124	23	0.01	{0.1, 0.2,..., 0.9}
Retail	4.2	16,470	88,126	10.3	0.1	{0.1, 0.2,..., 1}
Pumsb	16.3	2,113	49046	74	0.8	{52.5, 55, ..., 70}
Kosarak	30.5	41,271	990,002	8.1	0.01	{0.1, 0.2,..., 0.9}