A New Uncertainty Evaluation Method and Its Application in Evaluating Software Quality

Table 2

Evaluation system of software quality.

The overall goal	Second-level indices and weights	Bottom indices and weights	Grade vectors	Scores
Software quality 𝐴	Install section 𝐵1(0.1)	Install difficulty 𝐶11(0.25)	(0,0,0.50,0.50,0)	2.50
		Size after installation 𝐶12(0.25)	(0,0,0,1.00,0)	3.00
		Memory occupation 𝐶13(0.25)	(0,0,0.30,0.70,0)	2.70
		Shortcuts creation 𝐶14(0.25)	(0,0,0,0.50,0.50)	3.40
	General structure 𝐵2(0.15)	Complete module 𝐶21(0.2)	(0,0,0.41,0.59,0)	2.59
		Appropriate grade 𝐶22(0.2)	(0,0,0,0.50,0.50)	3.40
		Reasonable module partition 𝐶23(0.2)	(0,0,1.00,0,0)	2.00
		Business integration level 𝐶24(0.2)	(0,0,0,0,1.00)	4.00
		Data import and extraction function 𝐶25(0.2)	(0,0,0.30,0.70,0)	2.70
	Security mechanism 𝐵3(0.15)	Permissions allocation 𝐶31(0.25)	(0,1.00,0,0,0)	1.00
		Operating log 𝐶32(0.25)	(0,0,0,1.00,0)	3.00
		Data backup and restoration 𝐶33(0.25)	(0,0,0.30,0.70,0)	2.70
		Data maintenance 𝐶34(0.25)	(0,0,0.50,0.50,0)	2.50
	Program and data processing 𝐵4(0.2)	Reliability 𝐶41(0.25)	(0,0,0.30,0.70,0)	2.70
		Efficiency 𝐶42(0.25)	(0,0,1.00,0,0)	2.00
		Maintainability 𝐶43(0.25)	(0,0,1.00,0,0)	2.00
		Portability 𝐶44(0.25)	(0,0,0,0,1.00)	4.00
	Code maintenance 𝐵5(0.1)	Definable code 𝐶51(0.33)	(0,0,0,1.00,0)	3.00
		Gradable code 𝐶52(0.33)	(0,0,0.30,0.70,0)	2.70
		Proper code maintenance 𝐶53(0.34)	(0,0,0.50,0.50,0)	2.50
	Operating performance 𝐵6(0.3)	Friendly interface 𝐶61(0.25)	(0,0,0.30,0.70,0)	2.70
		Easy-to-use 𝐶62(0.25)	(0,0,0.50,0.50,0)	2.50
		Online help 𝐶63(0.25)	(0,0,0.30,0.70,0)	2.70
		Multitasking switching 𝐶64(0.25)	(0,0,1.00,0,0)	2.00