ABSTRACT Enterprises use IT system in business sector/information management sector and production management sector on purpose of the operation, which, of course, is inseparable from risk management. Two non-independent risk estimates functions are hence founded in order to receive the information of risk easily, that is, the cash flow-based evaluation functions. Applying the logarithmic probability-distribution function in the estimates function as well as giving an example by simulating, this essay has explained the affection of the uncertain factors to the enterprise management such as the business treatment and so on. At last, it has commented the application of the estimates function in the risk management.
Cite this paper
nullZ. Yin, Y. Guo and M. Lai, "The Research of Risk Management in Two Non-Independent IT System," Journal of Service Science and Management, Vol. 3 No. 2, 2010, pp. 181-185. doi: 10.4236/jssm.2010.32023.
 R. L. Nolan and F. W. Mcfarlan, “Information Technology and the Board of Directors,” Harvard Business Review, Vol. 83, No. 10, 2005, pp. 96-106.
S. Inoue, “Risk Management,” Unisys Technology Review, Vol. 67, No. 6, 2000, pp. 100-119.
J. F. Sowa and J. A. Zachman, “Extending and Formalizing the Framework for Information Systems Architecture,” IBM System Journal, Vol. 31, No. 3, 1992, pp. 590-616.
T. Otsuka, “Software Testing Technology,” Unisys Technology Review, Vol. 93, No. 8, 2007, pp. 70-88.
J. Liu, “Introduction to Risk Management [M],” China Financial Press, Beijing, September 2005.
 T. L. Patton and J. F. Wang translated, “Enterprise Risk Management\CFO Management Products [M],” China Renmin University Press, Beijing, 2007.