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In recent years, it has been shown that fault prediction models could effectively guide test effort allocation in finding faults if they have a high enough fault prediction accuracy (Norm(Popt) > 0.78). However, it is often difficult to achieve such a high fault prediction accuracy in practice. As a result, fault-prediction-model-guided allocation (FPA) methods may be not applicable in real development...
Background. Slice-based cohesion metrics leverage program slices with respect to the output variables of a module to quantify the strength of functional relatedness of the elements within the module. Although slice-based cohesion metrics have been proposed for many years, few empirical studies have been conducted to examine their actual usefulness in predicting fault-proneness. Objective. We aim to...
Content-based image retrieval (CBIR), providing query by image examples other than key words, is a hot topic in recent years. Querying by words mainly depends on the performance of crawler, whereas query by example is more unpredictable, since feature extraction is still challenging due to the rich content of the image. This paper focuses on the issue of similarity retrieval in high-dimensional space,...
Query by image example is still a challenge in image retrieval. The goal of similarity retrieval in images is to get the similar images quickly and accurately in high-dimension space. The accuracy of similarity retrieval in high-dimension space is mainly decided by the features representing images and the method used for similar calculation. Our main goal in this paper is to improve the retrieval...
Regression testing is necessary to assure the quality of service-oriented business applications in their evolutions. However, because of the constraint of testing resource, entire test suite may not run as a result. Therefore, test case prioritization technique is required to increase the efficiency of Web service application regression testing. In this paper, we propose a dependence analysis based...
As the cost of executing and maintaining a large test suite is always expensive, many test suite reduction techniques have been proposed and some empirical studies of test suite reduction techniques have already been reported. The aim of this paper is to provide a guideline for choosing the appropriate test suite reduction techniques for Boolean specification-based testing. Four typical heuristic...
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