483 search results - page 3 / 97 » Sampling the Web as Training Data for Text Classification |
SIGMOD
2004
ACM
14 years 6 months ago
2004
ACM
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...
EMNLP
2010
13 years 3 months ago
2010
This paper studies the effects of training data on binary text classification and postulates that negative training data is not needed and may even be harmful for the task. Tradit...
ICTIR
2009
Springer
13 years 3 months ago
2009
Springer
Abstract. In text classification (TC) and other tasks involving supervised learning, labelled data may be scarce or expensive to obtain; strategies are thus needed for maximizing t...
SDM
2008
SIAM
13 years 7 months ago
2008
SIAM
Bayesian text classifiers face a common issue which is referred to as data sparsity problem, especially when the size of training data is very small. The frequently used Laplacian...
DEXAW
2010
IEEE
13 years 2 months ago
2010
IEEE
In the blogosphere, the amount of digital content is expanding and for search engines, new challenges have been imposed. Due to the changing information need, automatic methods are...