An Intelligent Information Retrieval Approach Based on Two Degrees of Uncertainty Fuzzy Ontology

Table 1

Concept’s fuzzification results of the modification process ontology.

Row	Concepts	Average of expert’s opinions	Defuzzification value
1	Human resource	(0.80,0.87,0.93,1)	0.9
2	Client human resource	(0.7,0.8,0.9,1)	0.85
3	Maintenance manager	(0.7,0.8,0.9,1)	0.85
4	Software engineer	(0.9,0.93,0.97,1)	0.95
5	Client	(0.7,0.8,0.9,1)	0.85
6	User	(0.63,0.73,0.83,0.93)	0.78
7	Maintainer	(0.9,0.93,0.97,1)	0.95
8	Supplier	(0.63,0.73,0.83,0.93)	0.78
9	Artifact	(0.43,0.53,0.63,0.73)	0.58
10	Maintenance activity	(0.63,0.73,0.83,0.93)	0.78
11	Hardware	(0.63,0.73,0.83,0.93)	0.78
12	CC technology	(0.37,0.47,0.57,0.87)	0.52
13	Management activity	(0.80,0.87,0.93,1)	0.9
14	Modification activity	(0.80,0.87,0.95,1)	0.92
15	Investigation activity	(0.80,0.87,0.93,1)	0.9
16	Quality assurance activity	(0.80,0.87,0.93,1)	0.9
17	Maintenance project	(0.63,0.73,0.83,0.93)	0.78
18	Corrective maintenance	(0.80,0.87,0.93,1)	0.9
19	Enhancement maintenance	(0.80,0.87,0.93,1)	0.9
20	Modification request	(0.80,0.87,0.93,1)	0.9
21	Adaptive maintenance	(0.7,0.8,0.93,1)	0.87
22	Perfective maintenance	(0.7,0.8,0.9,1)	0.85
23	Preventive maintenance	(0.7,0.8,0.9,1)	0.85
24	Problem report	(0.7,0.8,0.9,1)	0.85
25	Enhancement report	(0.7,0.8,0.9,1)	0.85
26	Maintenance origin	(0.80,0.87,0.93,1)	0.9
27	Execution	(0.7,0.8,0.9,1)	0.85
28	Security	(0.7,0.8,0.9,1)	0.85
29	Requirement	(0.7,0.8,0.9,1)	0.85
30	Online documentation	(0.7,0.8,0.9,1)	0.85
31	Architectural design	(0.7,0.8,0.9,1)	0.85
32	Interoperability	(0.7,0.8,0.9,1)	0.85
33	Data structure	(0.7,0.8,0.9,1)	0.85