关键词: 规则挖掘, IT项目, 风险评估, 粗糙集, 贝叶斯理论

Abstract: Aiming at the imprecision and uncertainty of risk factors, the Beyes theory is introduced into IT project risk management based on the traditional Rough set theory in this paper, then the concept and algorithm such as decision support, certainly factor, coverage factor are pointed out, and the risk decision rule mining model based on the combination of Rough set and Beyes theory is constructed. At last , an example is introduced to demonstrate the method and model above detailed.

Key words: Rule mining, IT project, Risk evaluation, Rough set, Bayes theory