205 search results - page 20 / 41 » Improving hierarchical text classification using unlabeled d... |
ANNPR
2006
Springer
14 years 2 months ago
2006
Springer
Abstract. Hierarchical neural networks show many benefits when employed for classification problems even when only simple methods analogous to decision trees are used to retrieve t...
SDM
2008
SIAM
13 years 12 months ago
2008
SIAM
The Universum data, defined as a collection of "nonexamples" that do not belong to any class of interest, have been shown to encode some prior knowledge by representing ...
KDD
2009
ACM
14 years 11 months ago
2009
ACM
The explosion of user-generated content on the Web has led to new opportunities and significant challenges for companies, that are increasingly concerned about monitoring the disc...
ACL
2009
13 years 8 months ago
2009
Sentiment classification refers to the task of automatically identifying whether a given piece of text expresses positive or negative opinion towards a subject at hand. The prolif...
IJCAI
2007
13 years 12 months ago
2007
Traditional classification involves building a classifier using labeled training examples from a set of predefined classes and then applying the classifier to classify test instan...