194 search results - page 5 / 39 » Automatic Learning Features Using Bootstrapping for Text Cat... |
ECML
2006
Springer
13 years 9 months ago
2006
Springer
Abstract-- Text categorization is the task of assigning predefined categories to natural language text. With the widely used `bag of words' representation, previous researches...
ESANN
2007
13 years 9 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...
ACL
2008
13 years 9 months ago
2008
This paper presents an approach to text categorization that i) uses no machine learning and ii) reacts on-the-fly to unknown words. These features are important for categorizing B...
ICML
1997
IEEE
13 years 12 months ago
1997
IEEE
This paper is a comparative study of feature selection methods in statistical learning of text categorization. The focus is on aggressive dimensionality reduction. Five methods we...
MM
2006
ACM
14 years 1 months ago
2006
ACM
Conventional image categorization techniques primarily rely on low-level visual cues. In this paper, we describe a multimodal fusion scheme which improves the image classification...