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- Kajko-Mattsson, Mira Miroslawa, et al.
(författare)
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Data mining for validation in software engineering : An example
- 2004
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Ingår i: International journal of software engineering and knowledge engineering. - 0218-1940. ; 14:4, s. 407-427
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Tidskriftsartikel (refereegranskat)abstract
- Consider two independently done software engineering studies that used different approaches to cover some of the same subject area, such as software maintenance. Although done differently and for different purposes, to what extent can each study serve as a validation of the other? Within the scope of the subject area overlap, data mining can be applied to provide a quantitative assessment. This paper reports on the data mining that attempted to cross validate two independently done and published software engineering studies of software maintenance, one on a corrective maintenance maturity model, and the other on an objective classification of software maintenance activities. The data mining established that each of the two independently done studies effectively and very strongly validates the other.
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- Kajko-Mattsson, Mira Miroslawa, et al.
(författare)
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Problems within front-end support
- 2004
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Ingår i: Journal of Software Maintenance and Evolution. - : Wiley. - 1532-060X .- 1532-0618. ; 16:04-5, s. 309-329
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Tidskriftsartikel (refereegranskat)abstract
- Within corrective maintenance, the front-end support mainly assists the customer- and back-end maintenance organizations in the communication of corrective maintenance demands. This implies receiving problem reports from customers, transferring them on to the back-end maintenance organization/vendor, and delivering problem solutions from the back-end maintenance organization/vendor to the customers. In this paper, we identify problems as experienced within 37 front-end support organizations in Sweden. Our results show a great variety of problems within the organizations studied. The dominating problems are the complexity of applications, customer knowledge, and complexity of support organizations.
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- Leinonen, E. S., et al.
(författare)
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Low-grade inflammation, endothelial activation and carotid intima-media thickness in type 2 diabetes
- 2004
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Ingår i: J Intern Med. ; 256:2, s. 119-27
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVES: The objective of this study was to assess the relationship between inflammation, endothelial activation and incipient atherosclerosis in type 2 diabetes. DESIGN: Cross-sectional study. Setting and subjects. We studied 239 type 2 diabetic patients [71 with clinical cardiovascular disease (CVD)] and 78 healthy control subjects, aged 50-75 in a single research centre. METHODS: Carotid intima-media thickness (IMT) was determined by ultrasound. Circulating intracellular adhesion molecule-1, vascular cell adhesion molecule-1, E-selectin, ultra-sensitive C-reactive protein, human serum amyloid A, interleukin-6, monocyte colony-stimulating factor, secretory nonpancreatic phospholipase A(2) type IIA, glucose, HbA1c, and lipid/lipoprotein variables were measured. RESULTS: Carotid IMT was significantly thicker in diabetic patients than healthy controls across the whole age range. IMT was also thicker in diabetic patients with, than without, CVD, but this difference disappeared after controlling for confounding factors. Concentrations of the inflammatory and endothelial markers except IL-6 were significantly higher in the diabetic patients than in healthy controls, but comparable in diabetic patients with and without CVD. The main determinants of IMT in the diabetic patients were blood pressure, age and diabetes duration. CONCLUSIONS: Low-grade inflammation and endothelial activation are increased in diabetic patients but do not associate with IMT or clinical CVD. The inflammatory reaction seems to be rather a feature of the metabolic syndrome than a direct determinant of atherosclerosis.
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