932 resultados para Information dispersal algorithm
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Text classification, information filtering, semi-supervised learning, quality control
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Magdeburg, Univ., Fak. für Informatik, Diss., 2012
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Magdeburg, Univ., Fak. für Mathematik, Diss., 2012
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Magdeburg, Univ., Fak. für Informatik, Diss., 2007
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ERP, auditory virtual reality, dichotic listening, selective auditory attention, cocktail-party phenomenon, HRTF
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Background:Vascular remodeling, the dynamic dimensional change in face of stress, can assume different directions as well as magnitudes in atherosclerotic disease. Classical measurements rely on reference to segments at a distance, risking inappropriate comparison between dislike vessel portions.Objective:to explore a new method for quantifying vessel remodeling, based on the comparison between a given target segment and its inferred normal dimensions.Methods:Geometric parameters and plaque composition were determined in 67 patients using three-vessel intravascular ultrasound with virtual histology (IVUS-VH). Coronary vessel remodeling at cross-section (n = 27.639) and lesion (n = 618) levels was assessed using classical metrics and a novel analytic algorithm based on the fractional vessel remodeling index (FVRI), which quantifies the total change in arterial wall dimensions related to the estimated normal dimension of the vessel. A prediction model was built to estimate the normal dimension of the vessel for calculation of FVRI.Results:According to the new algorithm, “Ectatic” remodeling pattern was least common, “Complete compensatory” remodeling was present in approximately half of the instances, and “Negative” and “Incomplete compensatory” remodeling types were detected in the remaining. Compared to a traditional diagnostic scheme, FVRI-based classification seemed to better discriminate plaque composition by IVUS-VH.Conclusion:Quantitative assessment of coronary remodeling using target segment dimensions offers a promising approach to evaluate the vessel response to plaque growth/regression.
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Magdeburg, Univ., Fak. für Wirtschaftswiss., Diss., 2009
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Magdeburg, Univ., Fak. für Naturwiss., Diss., 2012
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Die Untersuchung der beiden Webseiten verfolgte das Ziel, festzustellen, ob und inwieweit die beiden Hersteller GlaxoSmithKline und Sanofi Pasteur MSD Marketingstrategien auf ihren Informationsseiten anwenden. Es zeigte sich in beiden Fällen, dass dies in großem Maße stattfindet. Durch Gestaltung und Inhalt sind Rückschlüsse auf den jeweiligen Impfstoff möglich. Dadurch wird deutlich, dass die Seiten keine reine Informationsabsicht verfolgen. Zusammenfassend bleibt festzustellen,dass die Hersteller die ihnen eingeräumten Freiheiten zur Information auch zu Marketingzwecken missbrauchen.Der zugrundeliegende Schutzzweck des Heilmittelwerbegesetzes (HWG) wird hiermit konterkariert.
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The article presents classification of information systems by different parameters. Factors influencing information systems dependability are also presented. The article describes the strategy of information systems dependability analysis and methods of its increase. The example of analysis of real information system is considered to show how to implement the strategy.
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Magdeburg, Univ., Fak. für Informatik, Diss., 2015
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Magdeburg, Univ., Fak. für Informatik, Diss., 2015
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Differences in the phoresy of the mites Macrocheles muscaedomesticae (Scopoli, 1972) (Macrochelidae) and Uroseius sp. (Polyaspidae) on the house fly, Musca domestica (Linnaeus, 1758) and the similarities in their phoretic dispersal and parasitism are discussed, altogether with the effects on predator-prey interactions. The prevalence and intensity of phoresy in the mite species were significantly related to the attachment site on the hosts. The phoresy of Uroseius sp. was correlated with temperature but not with rainfall and relative humidity. Selective pressure in the environment resulted in displacement and the emergence of local and regional populations. These results suggest that in each habitat the populations will use different resources and will show several relationships with other species, as well as a selection for morphological and behavioral types.
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no.7 (1979)
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v.35:no.6(1977)