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ICDAR
2009
IEEE
15 years 4 months ago
Unsupervised Selection and Discriminative Estimation of Orthogonal Gaussian Mixture Models for Handwritten Digit Recognition
The problem of determining the appropriate number of components is important in finite mixture modeling for pattern classification. This paper considers the application of an unsu...
Xuefeng Chen, Xiabi Liu, Yunde Jia
PKDD
2009
Springer
95views Data Mining» more  PKDD 2009»
15 years 4 months ago
Non-redundant Subgroup Discovery Using a Closure System
Subgroup discovery is a local pattern discovery task, in which descriptions of subpopulations of a database are evaluated against some quality function. As standard quality functio...
Mario Boley, Henrik Grosskreutz
ASMTA
2009
Springer
92views Mathematics» more  ASMTA 2009»
15 years 2 months ago
Comparison of Multi-service Routing Strategies for IP Core Networks
Abstract. Service differentiation in IP core networks may be supported by dedicated path selection rules. This paper investigates the degree of service distinction achievable when ...
Ulf Jensen, Armin Heindl
DAS
2008
Springer
14 years 12 months ago
New Oversampling Approaches Based on Polynomial Fitting for Imbalanced Data Sets
In classification tasks, class-modular strategy has been widely used. It has outperformed classical strategy for pattern classification task in many applications [1]. However, in ...
Sami Gazzah, Najoua Essoukri Ben Amara
WWW
2010
ACM
14 years 10 months ago
Classification-enhanced ranking
Many have speculated that classifying web pages can improve a search engine's ranking of results. Intuitively results should be more relevant when they match the class of a q...
Paul N. Bennett, Krysta Marie Svore, Susan T. Duma...