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The risk management issue of shield tunneling has attracted full attention for these years, but the current methods of risk identification and risk management cannot meet the safety requirements. This paper addresses the complexity of shield tunneling construction as well as the uncertainty of the underground environment, and then a new Logical Arrangement Risk Evaluation (LARE) method and an improved...
With the development of the information technology, risk control is becoming more and more important during the risk management process of Information System Development (ISD). The risk assessment and optimization control have become the key duty for the managers. At the same time, they are also the key factor to decide the success of ISD. The paper firstly builds a risk assessment model, and adopts...
For evaluation of the risk in information system, variable precision rough set (VPRS) theory is emerging as a powerful tool for reasoning about data. The method for risk rules mining in information system based on VPRS is designed on the basis of related concepts of VPRS. Through the example of the assessment, it is considered that the method can not only reduce greatly the data, but also increase...
To deal with the risk recognition from the complex risk management, a novel risk recognition method was studied through rule extration based on rough set. According to the indiscernible relation in rough set, a formula to compute attribute importance is put forward based on the concept of similar matrix and attribute frequency in the matrix, which is used as heuristic knowledge in deciding the sequence...
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