Based on the earned value management theory, the project duration and cost forecast data are obtained through Monte Carlo simulation, combined with the knowledge of mathematical statistics to in-depth analysis of the data, and then the project quality calculation is completed by establishing the quality correlation function. On the basis of existing scholars’ research, at the process level, the management focus is identified by calculating process influence and quality, and at the project level, the operation of the entire project is simulated and predicted by the calculation of the total construction period, cost, and quality.

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This paper summarize the theory and method of fuzzy comprehensive evaluation, and establishs information systems supplier evaluation model by fuzzy comprehensive evaluation based on index system of information systems supplier evaluation,finally through matlab software to solve the results of the fuzzy evaluation model .

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