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FLAIRS
2008
15 years 3 months ago
2008
We introduce a method to deal with the problem of learning from imbalanced data sets, where examples of one class significantly outnumber examples of other classes. Our method sel...
78
Voted
AISS
2010
14 years 10 months ago
2010
A mathematical multi objective model for the selection of a portfolio of investment is presented and its application in the Mexican Stock Exchange (BMV). The multi objective model...
112
Voted
ACL
2012
13 years 3 months ago
2012
With a few exceptions, discriminative training in statistical machine translation (SMT) has been content with tuning weights for large feature sets on small development data. Evid...
ICASSP
2009
IEEE
15 years 7 months ago
2009
IEEE
We describe a new GMM-UBM speaker recognition system that uses standard cepstral features, but selects different frames of speech for different subsystems. Subsystems, or “const...
83
Voted
WEBI
2009
Springer
15 years 7 months ago
2009
Springer
—On participatory Websites, users provide opinions about products, with both overall ratings and textual reviews. In this paper, we propose an approach to accurately estimate fea...