Evaluating the Risk of Natural Gas Pipeline Operation Management in Intuitionistic Fuzzy Linguistic Environments

Table 2

Linguistic term sets.

Linguistic terms for weight of criteria	Linguistic terms for risk level	IFNs
Very importance(VI)	Very high(VH)	(0.90, 0.05, 0.05)
Importance(I)	High(H)	(0.75, 0.20, 0.05)
Medium(F)	Medium(F)	(0.50, 0.40, 0.10)
Unimportance(U)	Low(L)	(0.25, 0.60,0.15)
Very unimportance(VU)	Very low(VL)	(0.10, 0.80, 0.10)