基于CGOM的软件费用模型研究

软件测试是提高软件质量的重要手段，对测试数据充分的测试准则是软件测试完成的标准．目前，绝大多数的测试准则并不考虑软件费用，容易为了满足测试准则而使用户承担昂贵的测试费用．该文提出了一种随机过程类非齐次泊松过程(NHPP)中的经典模型——G-O模型的改进模型，并基于此模型构造了一个综合了软件设计费用、软件测试费用、软件维护费用、软件失效造成的风险损失的软件费用模型．最后从软件费用出发，讨论了软件的最佳发布时间．

A Study on Software Cost Model Based on CGOM

Software testing is one of the most important ways to increase the quality of a software product. A test data adequacy criterion is a predicate that is used to determine whether a program has been tested enough. Few testing criteria care about the total cost of the program under testing. This can easily make the users cost a lot to meet the criteria. In this paper, G-O Model the representative of Non-homogeneous Poisson Process (NHPP) Models is studied, and then a corrected G-O Model (CGOM) is present. A cost model based on CGOM combined with software designing cost, testing cost, maintenance and risk cost due to software failure is developed. In order to minimize the total expected software cost, the optimal release policies are discussed.