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Singularity of Some Software Reliability Models and Parameter Estimation Method 被引量:1
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作者 XU Ren-zuo ZHOU Rui YANG Xiao-qing (State Key Laboratory of Software Engineering, Wuhan University, Wuhan 430072, China) 《Wuhan University Journal of Natural Sciences》 EI CAS 2000年第1期35-40,共6页
According to the principle, “The failure data is the basis of software reliability analysis”, we built a software reliability expert system (SRES) by adopting the artificial intelligence technology. By reasoning out... According to the principle, “The failure data is the basis of software reliability analysis”, we built a software reliability expert system (SRES) by adopting the artificial intelligence technology. By reasoning out the conclusion from the fitting results of failure data of a software project, the SRES can recommend users “the most suitable model” as a software reliability measurement model. We believe that the SRES can overcome the inconsistency in applications of software reliability models well. We report investigation results of singularity and parameter estimation methods of experimental models in SRES. 展开更多
关键词 software reliability measurement models software reliability expert system SINGULARITY parameter estimation method path following method maximum likelihood ml-fitting algorithm
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非齐次泊松过程模型的参数计算方法 被引量:1
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作者 胡泽民 徐仁佐 徐静雯 《武汉大学学报(自然科学版)》 CSCD 1995年第3期321-325,共5页
在软件可靠性分析中,应用最大似然估计方法估计三参数非齐次油松过程模型的参数时,所得到的方程组出现奇异性.直接求解存在很多困难.本文针对这种奇异性,采用区间优选法解决了这一问题,并实现了计算机自动求解.
关键词 非齐次 泊松过程 软件可靠性 极大似然估计
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