131 search results - page 4 / 27 » Imbalanced sentiment classification |
CORR
2002
Springer
13 years 7 months ago
2002
Springer
We consider the problem of classifying documents not by topic, but by overall sentiment, e.g., determining whether a review is positive or negative. Using movie reviews as data, w...
EMNLP
2008
13 years 9 months ago
2008
In this paper, we present a novel method based on CRFs in response to the two special characteristics of "contextual dependency" and "label redundancy" in sent...
ECAI
2010
Springer
13 years 8 months ago
2010
Springer
Abstract. Multi grain sentiment analysis is the task of simultaneously classifying sentiment expressed at different levels of granularity, as opposed to single level at a time. Mod...
FSS
2008
13 years 7 months ago
2008
In the field of classification problems, we often encounter classes with a very different percentage of patterns between them, classes with a high pattern percentage and classes w...
ACL
2008
13 years 9 months ago
2008