Research Article
Knowledge Framework and Evolution of Fuzzy Portfolio Research: A Bibliometric Analysis
Table 9
Top 10 keywords based on burst strength in the fuzzy portfolio research.
| | Keywords | Strength | Begin | End | 1996–2020 |
| | Possibility distribution | 7.2369 | 2005 | 2009 | | | Portfolio selection | 5.1301 | 2006 | 2009 | | | Variable | 4.4277 | 2007 | 2012 | | | Project selection | 3.9506 | 2012 | 2016 | | | Fuzzy set | 3.8966 | 1999 | 2007 | | | Neural network | 3.8459 | 2009 | 2011 | | | Fuzzy random variable | 3.6141 | 2008 | 2012 | | | Finance | 3.604 | 2002 | 2007 | | | Fuzzy programming | 3.4467 | 2001 | 2008 | | | Transaction cost | 3.4109 | 2007 | 2011 | |
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