Table 1 Various belief intervals with different meanings.

From: Determination of the optimal location for constructing solar photovoltaic farms based on multi-criteria decision system and Dempster–Shafer theory

Interval

Description

[0, 0]

Certainly, no support can be made for the hypothesis

[1, 1]

The theory can definitely be supported

[0, 1]

The information is absolutely unknown

Interval

Supporting the theory and decision-making

[0.3, 1]

The theory could be supported

[0, 0.6]

The support from the theory is decreased