174 search results - page 12 / 35 » Unsupervised Feature Selection for Text Data |
LREC
2010
13 years 9 months ago
2010
In recent years, text classification in sentiment analysis has mostly focused on two types of classification, the distinction between objective and subjective text, i.e. subjectiv...
ICML
2006
IEEE
14 years 8 months ago
2006
IEEE
In supervised kernel methods, it has been observed that the performance of the SVM classifier is poor in cases where the diagonal entries of the Gram matrix are large relative to ...
DOCENG
2006
ACM
14 years 1 months ago
2006
ACM
Category ranking provides a way to classify plain text documents into a pre-determined set of categories. This work proposes to have a look at typical document collections and ana...
ICML
2005
IEEE
14 years 8 months ago
2005
IEEE
The proliferation of text documents on the web as well as within institutions necessitates their convenient organization to enable efficient retrieval of information. Although tex...
WEBI
2009
Springer
14 years 2 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...