606 search results - page 57 / 122 » A novel feature selection algorithm for text categorization |
WWW
2008
ACM
14 years 9 months ago
2008
ACM
This paper is concerned with the problem of Imbalanced Classification (IC) in web mining, which often arises on the web due to the "Matthew Effect". As web IC applicatio...
SIGIR
2006
ACM
14 years 2 months ago
2006
ACM
Co-occurrence data is quite common in many real applications. Latent Semantic Analysis (LSA) has been successfully used to identify semantic relations in such data. However, LSA c...
JMLR
2006
13 years 8 months ago
2006
Spam filtering poses a special problem in text categorization, of which the defining characteristic is that filters face an active adversary, which constantly attempts to evade fi...
KDD
2005
ACM
14 years 9 months ago
2005
ACM
We propose a new algorithm for dimensionality reduction and unsupervised text classification. We use mixture models as underlying process of generating corpus and utilize a novel,...
CIKM
2006
Springer
14 years 17 days ago
2006
Springer
In this paper, we study the problem of learning block classification models to estimate block functions. We distinguish general models, which are learned across multiple sites, an...