88 search results - page 3 / 18 » Distributional Clustering of Words for Text Classification |
ACL
2008
13 years 8 months ago
2008
In statistical language modeling, one technique to reduce the problematic effects of data sparsity is to partition the vocabulary into equivalence classes. In this paper we invest...
ESANN
2007
13 years 8 months ago
2007
We study dimensionality reduction or feature selection in text document categorization problem. We focus on the first step in building text categorization systems, that is the cho...
COLING
2002
13 years 7 months ago
2002
In this paper we propose an integration of a selforganizing map and semantic networks from WordNet for a text classification task using the new Reuters news corpus. This neural mo...
ICML
2005
IEEE
14 years 8 months ago
2005
IEEE
Multinomial distributions are often used to model text documents. However, they do not capture well the phenomenon that words in a document tend to appear in bursts: if a word app...
ICDM
2003
IEEE
14 years 19 days ago
2003
IEEE
Semi-supervised learning methods construct classifiers using both labeled and unlabeled training data samples. While unlabeled data samples can help to improve the accuracy of trai...