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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Showing 91 to 100 of 308 (0.063 seconds)

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91

Approaching Concept Drift by Context Feature Partitioning

Hoffmann, Nico, Kirmse, Matthias, Petersohn, Uwe 20 February 2012 (has links) (PDF)
In this paper we present a new approach to handle concept drift using domain-specific knowledge. More precisely, we capitalize known context features to partition a domain into subdomains featuring static class distributions. Subsequently, we learn separate classifiers for each sub domain and classify new instances accordingly. To determine the optimal partitioning for a domain we apply a search algorithm aiming to maximize the resulting accuracy. In practical domains like fault detection concept drift often occurs in combination with imbalances data. As this issue gets more important learning models on smaller subdomains we additionally use sampling methods to handle it. Comparative experiments with artificial data sets showed that our approach outperforms a plain SVM regarding different performance measures. Summarized, the partitioning concept drift approach (PCD) is a possible way to handle concept drift in domains where the causing context features are at least partly known.
Maschinelles Lernen
Model Kontext Optimierung
Maschine Learning
Concept Drift
Model Context Optimization
ddc:004
rvk:SS 5514
92

Off-line cursive handwriting recognition using synthetic training data

Varga, Tamás January 2006 (has links)
Zugl.: Bern, Univ., Diss., 2006
93

Agent coordination mechanisms for solving a partitioning task

Goebels, Andreas January 2006 (has links)
Zugl.: Paderborn, Univ., Diss., 2006
94

Sprachsynthese und Spracherkennung mit gemeinsamen Datenbasen akustische Analyse und Modellierung

Eichner, Matthias January 2006 (has links)
Zugl.: Dresden, Techn. Univ., Diss., 2006
95

Reinforcement Learning für Laufroboter

Schneider, Markus. January 2007 (has links)
Weingarten, Diplomarbeit, 2007.
96

Learning an interest operator from human eye movements

Kienzle, Wolf January 2008 (has links)
Zugl.: Tübingen, Univ., Diss., 2008
97

Leaning search control knowlledge for equational deduction /

Schulz, Stephan. January 2000 (has links)
Thesis (Dr. rer. nat.)--Technische Universität München, 2000. / "Infix"--Cover. Includes bibliographical references (p. [164]-175) and index.
98

Konstruktionsverfahren vorwärtsgerichteter neuronaler Netze

Stackelberg, Burkhard von. January 2003 (has links) (PDF)
Stuttgart, Univ., Diss., 2003.
99

Neuronale Netze mit erweiterten bayesschen Methoden für reale Datensammlungen

Weber, Karsten Ernst. Unknown Date (has links) (PDF)
Universiẗat, Diss., 2003--Bonn.
100

Ein Verfahren zur Anreicherung fachgebietsspezifischer Ontologien durch Begriffsvorschläge

Faatz, Andreas. Unknown Date (has links)
Techn. Universiẗat, Diss., 2004--Darmstadt.

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