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Quality Process-Oriented Software Credibility Measurement and Assessment

This paper discusses the measurement methods of the software credibility in three dimensions-management, process and the final product for quality process. And the software credibility is classified into different levels. The each level degree of membership of the software is got through calculating the each level degree of membership of each metric according to the membership function, and combining them based on Dempster- Shafer Theory. Ultimately the comprehensive assessment of the software credibility is completed. With the development of economic and social progress, software has penetrated into every area of national economy and national defense. People have escalated demands for its quality and credibility, particularly on the systems relating to the national interests and the people's livelihood security. However, the status of software is far away from people's expectation. There are many heavy losses caused by software defects at home and abroad. So, what kind of software is credible, how to judge, measure and assess the credibility of software has become a hot research direction.