131 search results - page 14 / 27 » Imbalanced sentiment classification |
EMNLP
2009
13 years 6 months ago
2009
Polarity lexicons have been a valuable resource for sentiment analysis and opinion mining. There are a number of such lexical resources available, but it is often suboptimal to us...
CI
2006
13 years 8 months ago
2006
We present two methods for determining the sentiment expressed by a movie review. The semantic orientation of a review can be positive, negative, or neutral. We examine the effect...
ISDA
2010
IEEE
13 years 6 months ago
2010
IEEE
Real life datasets often suffer from the problem of class imbalance, which thwarts supervised learning process. In such data sets examples of positive (minority) class are signific...
IRCDL
2008
13 years 10 months ago
2008
Several sites allow users to publish personal reviews about products and services available on the market. In this paper, we consider the problem of applying classification techniq...
ACL
2007
13 years 10 months ago
2007
