174 search results - page 13 / 35 » Unsupervised Feature Selection for Text Data |
IJCNN
2000
IEEE
13 years 11 months ago
2000
IEEE
This paper presents an unsupervised segmentation method for feature sequences based on competitivelearning hidden Markov models. Models associated with the nodes of the Self-Organ...
AUSDM
2006
Springer
13 years 11 months ago
2006
Springer
Feature Filtering is an approach that is widely used for dimensionality reduction in text categorization. In this approach feature scoring methods are used to evaluate features le...
KES
2004
Springer
14 years 1 months ago
2004
Springer
– This paper describes a text categorization approach that is based on a combination of a newly designed text representation with a kNN classifier. The new text document represen...
ILP
2007
Springer
14 years 1 months ago
2007
Springer
Machine-generated documents containing semi-structured text are rapidly forming the bulk of data being stored in an organisation. Given a feature-based representation of such data,...
ICDM
2005
IEEE
14 years 1 months ago
2005
IEEE
We introduce a robust and efficient framework called CLUMP (CLustering Using Multiple Prototypes) for unsupervised discovery of structure in data. CLUMP relies on finding multip...