11 resultados para Sentiment Analysis Opinion Mining Text Mining Twitter
em Martin Luther Universitat Halle Wittenberg, Germany
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Magdeburg, Univ., Fak. für Wirtschaftswiss., Diss., 2011
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Magdeburg, Univ., Fak. für Informatik, Diss., 2012
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Magdeburg, Univ., Fak. für Informatik, Diss., 2013
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Magdeburg, Univ., Fak. für Maschinenbau, Diss., 2009
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Magdeburg, Univ., Fak. für Informatik, Diss., 2013
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The master thesis presents methods for intellectual analysis and visualization 3D EKG in order to increase the efficiency of ECG analysis by extracting additional data. Visualization is presented as part of the signal analysis tasks considered imaging techniques and their mathematical description. Have been developed algorithms for calculating and visualizing the signal attributes are described using mathematical methods and tools for mining signal. The model of patterns searching for comparison purposes of accuracy of methods was constructed, problems of a clustering and classification of data are solved, the program of visualization of data is also developed. This approach gives the largest accuracy in a task of the intellectual analysis that is confirmed in this work. Considered visualization and analysis techniques are also applicable to the multi-dimensional signals of a different kind.
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Data Mining, Learning from data, graphical models, possibility theory
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Data mining, frequent pattern mining, database mining, mining algorithms in SQL
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Visual data mining, multi-dimensional scaling, POLARMAP, Sammon's mapping, clustering, outlier detection
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Online Data Mining, Data Streams, Classification, Clustering
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Data Mining, Vision Restoration, Treatment outcome prediction, Self-Organising-Map