Score Scoring semantic representation Corresponding triangular fuzzy number (r,u,v)
0 Index i has no impact on the evaluation objectives (0,0,0.25)
1 Low impact of index i on evaluation objectives (0,0.25,0.5)
2 Index i has a medium impact on the evaluation objective (0.25,0.5,0.75)
3 High degree of influence of index i on evaluation objectives (0.5,0.75,1.00)
4 Index i has a very high degree of influence on the evaluation objectives (0.75,1.00,1.00)