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Project evaluation system has a significant effect on the decision-making of IT project. IT project evaluation exists throughout all the phases of the IT project, including IT project preparation period, IT project construction period and IT project operation period. On the basis of analyzing the significance, necessity and the characters, this paper did a systematic study on the evaluation system...
In this paper, based on the Lebesgue measure of level cutsets and the membership degree of an element in level cut-sets, we introduce the concept of level creditability of fuzzy numbers, present a necessary and sufficient condition of level creditability being equal to 1 for each ?? ?? [0,1], and then consider the basic properties (such as continuity, monotonicity etc.) of level creditability and...
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