Knowledge Framework and Evolution of Fuzzy Portfolio Research: A Bibliometric Analysis

Table 1

The top 10 subject categories of WoS in the fuzzy portfolio research.

Subject categories of WoS	Number	The percentage of total	Histogram
Computer Science Artificial Intelligence	248	35.378
Operations Research Management Science	162	23.110
Engineering Electrical Electronic	91	12.981
Computer Science Interdisciplinary Applications	89	12.696
Management	88	12.553
Mathematics Applied	67	9.558
Computer Science Information Systems	57	8.131
Computer Science Theory Methods	50	7.133
Economics	49	6.990
Mathematics Interdisciplinary Applications	42	6.491