Daten Visualisierung und Visual Analytics
Big Data ist ein Schlagwort unserer Zeit, denn es entstehen Daten fast bei jedem Prozess, ob in Wirtschaft, Wissenschaft, oder im sozialen Bereich.

In den letzten Jahren ist es immer einfacher geworden solche Daten persistent zu sammeln, aufgrund moderner Speichertechnologien. Deren Auswertung hat sich jedoch zunehmend als schwierig erwiesen.

Zum einen fehlt es oft an geeigneten Methoden, zum anderen hat sich gezeigt, das Daten auch innerhalb ihrer Eigenschaften bzgl.
ihrer zugrunde liegenden Domain interpretiert werden m?ssen. Nur so kann sichergestellt werden, dass eine Datenauswertung in relevante
Handlungs- und Entscheidungskompetenz ?berf?hrt wird. Auf der anderen Seite f?hrt die schiere Menge an verf?gbaren Daten
ebenfalls zu erschwerten Auswertungsbedingungen, weil weder die Daten in ihrer Gesamtheit gesichtet werden k?nnen noch eine geeignete Strategie
die Daten in unabh?ngige Sub-Datenmengen zu zerlegen trivial benannt werden kann.

In dieser Vorlesung diskutieren wir Methoden Daten automatisch zu analysieren, ebenso wie Methoden den Nutzer von Daten in den Analyseprozess mit einzubinden,
welches unter dem Stichwort Daten Visualisierung durchaus dem ein oder anderen unter Ihnen bekannt sein d?rfte. Eine logische Konsequenz ist es beide Ans?tze
miteinander zu kombinieren und um interaktive Methoden zu bereichern: Ein Ansatz welcher als Visual Analytics bezeichnet wird und welchen wir ebenfalls in dieser
Veranstaltung aufgreifen und diskutieren werden.

Die Veranstaltung selbst ist breit aufgestellt und self-contained. Notwendiges Wissen f?r das Verst?ndnis von relevanten Methoden wird in den ersten Wochen vorgestellt, um im folgenden Automatische Analyse Methoden, visuelle Methoden, und Methoden der Visual Analytics
zu besprechen.





Lecturer:
Dr.-Ing. Dirk Joachim Lehmann
Dates:
Wann & Wo:
Do. 18:15 bis 19:45 w?chentlich G29-K059
(ab 3. April 2014 w?chentlich)

Kontakt:
dirk@isg.cs.uni-magdeburg.de
Classification:
Computervisualistik (82152) Bachelor 4 - 6 WPF
Informatik (82150) Bachelor 4 - 6 WPF
Ingenieurinformatik (82157) Bachelor 4 - 6 WPF
Wirtschaftsinformatik (82159) Bachelor 4 - 6 WPF
Completion:
Seminararbeit + Schriftliche Pr?fung (2 h am Ende des Semesters)
Certificate/Schein:
bestandene Seminararbeit + Pr?fung
Additional Information:
> Lecture website <

M?gliche Themen f?r die Hausarbeit:

Bitte w?hlt bis zum 17.April 2014 ein Thema f?r eure Hausarbeit und sendet es mir zu. Danke.

- Graph-Visualization (Edge-Bundles, Tree-Maps)

- Clustering Approaches (K-Means, Local Outlier Factor, Sub-space Clustering)

- Machine Learning vs. Data Mining

- Bivariate vs. Multivariate Visualization Approaches (Scatterplots, Parallel Coordinates, RadVis)

- Approaches for Focus and Context and Level of Detail in Visual Analytics

- Quality Metrics in Visual Search

- Generation of high-dimensional or multivariate synthetic Data

- Text Visualization

- …

- Own Topic

Hausarbeitsthemen:

Thomas Winterberg : Approaches for Focus and Context and Level of Detail in Visual Analytics

Christoph M?ller : Graph-Visualization

Stephan Fensky : Clustering Approaches

Peter Krummhaar : Text Visualisierung

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[IV4] G.Albuquerque, T. L?we, M. Magnor,Synthetic
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[IV5] J?rgen Waser, Raphael Fuchs, Hrvoje Ribicic, Benjamin Schindler, G?nther Bl?schl, and M. Eduard Gr?ller,
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[SV6] D. J. Lehmann and H. Theisel
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[SV7] T. Salzbrunn and G. Scheuermann
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[SV9] C.-K. Chen, S. Yan, H. Yu, N. Max, and K.-L. Ma
An Illustrative Visualization Framework for 3D Vector Fields
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[SV10] A. Kratz, N. Kettlitz, I. Hotz
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Proc. of Vision, Modeling and Visualization Workshop (VMV), Oct. 2011

[SV11] A. Kuhn, D. J. Lehmann, R. Gasteiger, M. Neugebauer, B. Preim, H. Theisel
A Clustering-based Visualization Technique to Emphasize Meaningful Regions of Vector Fields
Proc. of Vision, Modeling and Visualization Workshop (VMV), Oct. 2011

[SV12] George Haller
A variational theory of hyperbolic Lagrangian Coherent Structures
Physica D: Nonlinear Phenomena, 2011

[SV13] A. Kuhn and C. R?ssl and T. Weinkauf and H. Theisel
A Benchmark for Evaluating FTLE Computations
Proceedings of 5th IEEE Pacific Visualization Symposium (PacificVis), 2012