Service Station Evaluation Problem in Catering Service of High-Speed Railway: A Fuzzy QFD Approach Based on Evidence Theory

Table 1

The truth of each case in illustrative example in Figure 5.

BOE			)		Example
C-BOE	Crisp			0.8	Figure 6(a)
C-BOE	Fuzzy			0.41	Figure 6(b)
N-BOE	Crisp			0.6	Figure 6(c)
N-BOE	Fuzzy			0.25	Figure 6(d)
N-BOE	Fuzzy	(Equation (7))		0.37	Figure 6(e)
		(Equation (9))			Figure 6(f)
M-BOE	Crisp			0.6	Figure 6(g)
M-BOE	Fuzzy			0.25	Figure 6(h)