19 search results - page 1 / 4 » LDA-based keyword selection in text categorization |
ISCIS
2005
Springer
14 years 4 months ago
2005
Springer
Abstract. In this paper, we examine the use of keywords in text categorization with SVM. In contrast to the usual belief, we reveal that using keywords instead of all words yields ...
ISCIS
2009
Springer
14 years 5 months ago
2009
Springer
SAC
2008
ACM
13 years 10 months ago
2008
ACM
A major obstacle that decreases the performance of text classifiers is the extremely high dimensionality of text data. To reduce the dimension, a number of approaches based on rou...
WWW
2006
ACM
14 years 11 months ago
2006
ACM
Large-scale text categorization is an important research topic for Web data mining. One of the challenges in large-scale text categorization is how to reduce the amount of human e...
SAC
2003
ACM
14 years 4 months ago
2003
ACM
The construction of a text classifier usually involves (i) a phase of term selection, in which the most relevant terms for the classification task are identified, (ii) a phase ...