Credibility evaluation method of software unit of complex software system

A software system and reliability technology, applied in the fields of platform integrity maintenance, instrumentation, electrical digital data processing, etc., can solve problems such as unreliable evaluation results

Inactive Publication Date: 2015-09-02
CHINA UNIV OF PETROLEUM (EAST CHINA)
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Problems solved by technology

[0004] In the present invention, from the perspective of fuzzy theory, the attributes of credible indicators are grouped to form a hierarchical structure for layer-by-layer multi-level evaluation, so as to solve the problem of unreliable evaluation results caused by too many indicators, and use SPSS to obtain evaluation from an objective point of view by using principal component analysis. Index weight, using AHP to obtain the evalu

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  • Credibility evaluation method of software unit of complex software system
  • Credibility evaluation method of software unit of complex software system
  • Credibility evaluation method of software unit of complex software system

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Embodiment Construction

[0045] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0046] Step 1: Identify Credible Evaluation Indicators

[0047] According to the actual situation of the complex software system to be evaluated, the attributes of credible indicators are determined, and the factors of each indicator are classified to form a hierarchical structure of indicators and determine the indicator evaluation system. The factor set of the evaluation object is generally represented by U. Assuming that there are m attribute classes that affect the credibility of the complex software system, the factor set of the evaluation object can be expressed as:

[0048] U={u 1 ,u 2 ,...,u m}

[0049] u i (i=1,2,...,m) represents each evaluation indicator attribute;

[0050] in the attached figure 2 In the example of , the attributes of the complex software system credibility evaluation indicators are divided into two categories, namely m=2,...

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Abstract

A credibility evaluation method of software units of a complex software system includes the following steps: A building a credibility index system; B determining a credibility evaluation comment set; C acquiring an objective weight through factor analysis by aid of SPSS (Statistic Package for Social Science), acquiring a subjective weight with an analytic hierarchy process and determining the final factor weights with a dynamic assignment method; D conducting first-level fuzzy evaluation on credibility of the software units; E correcting the evaluation result through multiple fuzzy composition operators; F iterating the above calculation process to achieve multi-level fuzzy comprehensive evaluation on the credibility of the software units. The credibility evaluation method classifies evaluation indexes, so that an evaluation result is more reliable; acquired index weight values better accord with the practical condition of the software units, so an objective and subjective weight structure can be adjusted dynamically according to different software units; the evaluation result is corrected through the multiple fuzzy composition operators so that the evaluation result is more scientific, accurate and reasonable.

Description

technical field [0001] The present invention relates to a method for evaluating the credibility of software units in complex software systems, in particular to an improved fuzzy comprehensive evaluation method for comprehensively evaluating the credibility of software units in complex software systems, and using SPSS to obtain the weight of evaluation indicators from an objective perspective , use AHP to obtain the evaluation index weight from the subjective point of view, use the dynamic combination weighting method to dynamically determine the index weight from the subjective and objective point of view, use multiple fuzzy synthesis operators to correct the evaluation results, and finally realize the credibility of the software unit of the complex software system assessment method. Background technique [0002] At present, the information infrastructure with communication, storage and computing as the core has penetrated into all levels of political, economic, military, cu...

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Application Information

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IPC IPC(8): G06F21/57
CPCG06F21/57G06F21/577G06F2221/033
Inventor 李克文王义龙
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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