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DAWAK
2008
Springer
15 years 6 months ago
Selective Pre-processing of Imbalanced Data for Improving Classification Performance
In this paper we discuss problems of constructing classifiers from imbalanced data. We describe a new approach to selective preprocessing of imbalanced data which combines local ov...
Jerzy Stefanowski, Szymon Wilk
WSC
1998
15 years 5 months ago
Efficiency Improvement by Lattice Rules for Pricing Asian Options
This paper compares Monte Carlo methods, lattice rules, and other low-discrepancy point sets on the problem of evaluating asian options. The combination of these methods with vari...
Christiane Lemieux, Pierre L'Ecuyer
RIAO
1997
15 years 5 months ago
The Effect of Syntactic Phrase Indexing on Retrieval Performance for Dutch Texts
In this paper we describe an experiment with syntactic phrase indexing for Dutch texts. We compare different choices for combining terms to form head-modifier pairs and we also i...
Renée Pohlmann, Wessel Kraaij
INFORMATICALT
2006
150views more  INFORMATICALT 2006»
15 years 4 months ago
A Multiresolution Approach Based on MRF and Bak-Sneppen Models for Image Segmentation
The two major Markov Random Fields (MRF) based algorithms for image segmentation are the Simulated Annealing (SA) and Iterated Conditional Modes (ICM). In practice, compared to the...
Kamal E. Melkemi, Mohamed Batouche, Sebti Foufou
CCE
2004
15 years 4 months ago
Time requirements for heteroazeotropic distillation in batch columns
Batch time requirements are provided for the separation of ternary heterogeneous azeotropic mixtures into three pure products in closed batch column configurations. The separation...
S. Skouras, Sigurd Skogestad