Approach to Multicriteria Group Decision Making with Z-Numbers Based on TOPSIS and Power Aggregation Operators

Table 2

Linguistic terms and the corresponding TFNs for reliability.

Linguistic terms	TFNs
Not Sure (NS)	(0, 0, 1)
Not Very Sure (NVS)	(1, 3, 5)
Sure (S)	(5, 7, 9)
Very Sure (VS)	(9, 10, 10)