131 search results - page 15 / 27 » Imbalanced sentiment classification |
AAAI
2006
13 years 9 months ago
2006
Evaluating text fragments for positive and negative subjective expressions and their strength can be important in applications such as single- or multi- document summarization, do...
TOIS
2008
2008
Sentiment analysis in multiple languages: Feature selection for opinion classification in Web forums
13 years 7 months ago
EXPERT
2010
13 years 4 months ago
2010
CVPR
2004
IEEE
14 years 9 months ago
2004
IEEE
We consider the problem of the binary classification on imbalanced data, in which nearly all the instances are labelled as one class, while far fewer instances are labelled as the...
SDM
2008
SIAM
13 years 9 months ago
2008
SIAM
Imbalanced class problems appear in many real applications of classification learning. We propose a novel sampling method to improve bagging for data sets with skewed class distri...