Institutsseminar/2017-10-06

Aus SDQ-Institutsseminar
Termin (Alle Termine)
Datum Freitag, 6. Oktober 2017
Uhrzeit 11:30 – 12:15 Uhr (Dauer: 45 min)
Ort Raum 348 (Gebäude 50.34)
Webkonferenz
Vorheriger Termin Fr 29. September 2017
Nächster Termin Fr 13. Oktober 2017

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Vorträge

Vortragende(r) Daniel Popovic
Titel High-Dimensional Neural-Based Outlier Detection
Vortragstyp Diplomarbeit
Betreuer(in) Edouard Fouché
Vortragsmodus
Kurzfassung Outlier detection in high-dimensional spaces is a challenging task because of consequences of the curse of dimensionality. Neural networks have recently gained in popularity for a wide range of applications due to the availability of computational power and large training data sets. Several studies examine the application of different neural network models, such an autoencoder, self-organising maps and restricted Boltzmann machines, for outlier detection in mainly low-dimensional data sets. In this diploma thesis we investigate if these neural network models can scale to high-dimensional spaces, adapt the useful neural network-based algorithms to the task of high-dimensional outlier detection, examine data-driven parameter selection strategies for these algorithms, develop suitable outlier score metrics for these models and investigate the possibility of identifying the outlying dimensions for detected outliers.
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