Stratification-Based Outlier Detection over the Deep Web

Table 1

An example of a back-end database for electronic products.

ID	Brand	Type	Screen (inch)	Price ()	StandBy (h)
1	Samsung	Phone	3.5	666.51	36
2	Samsung	Phone	3.5	356.06	30
3	Samsung	Phone	4.3	378.8	30
4	Samsung	Laptop	13.3	666.51	6
5	Samsung	Laptop	11.6	1107.53	8
6	Apple	Phone	4.0	801.21	36
7	Apple	Phone	4.0	696.81	36
8	Apple	Phone	3.5	498.18	24
9	Apple	Laptop	15.4	2831.51	10
10	Apple	Laptop	13.3	1180	10