Research Article
Knowledge Framework and Evolution of Fuzzy Portfolio Research: A Bibliometric Analysis
Table 2
The top 10 research directions of WoS in the fuzzy portfolio research.
| | Research directions of WoS | Number | The percentage of total | Histogram |
| | Computer Science | 331 | 51.159 | | | Engineering | 174 | 26.893 | | | Operations Research Management Science | 155 | 23.957 | | | Business Economics | 130 | 20.093 | | | Mathematics | 114 | 17.620 | | | Automation Control Systems | 30 | 4.637 | | | Science Technology Other Topics | 30 | 4.637 | | | Energy Fuels | 20 | 3.091 | | | Environmental Sciences Ecology | 15 | 2.318 | | | Physics | 10 | 1.546 | |
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