In this paper, the gray relational analysis and 6 sigma of the FMEA method have been applied to enterprise applications quantitative analysis of risk factors on the basis of building enterprise application software risk index system. Using improved FMEA model and method which are based on gray relational analysis, this paper makes quantitative assessment and ranking for the risks of enterprise application software. By analyzing the examples of the enterprise application software risk assessment, the correctness and effectiveness of the model and method designed herein will be proved.
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