Optimizing Object Storage System by the Object Multi-Tiered Balanced Organization

Table 1

The commonly used membership scale.

Membership values	Definition	Illustration
0.5	Equally important	The two elements are equally important
0.6	Slightly important	Comparing two elements, one is slightly more important than the other
0.7	Important	Comparing two elements, one is more important than the other
0.8	Much more important	Comparing two elements, one is much more important than the other
0.9	Extremely important	Comparing two elements, one is more important than the other
0.1 0.2 0.3 0.4	Inverse comparison	Inverse comparison of relative importance between elements