140 search results - page 27 / 28 » A Supervised Clustering Method for Text Classification |
BMCBI
2010
13 years 8 months ago
2010
Background: Feature selection is an important pre-processing task in the analysis of complex data. Selecting an appropriate subset of features can improve classification or cluste...
ICCV
2007
IEEE
14 years 9 months ago
2007
IEEE
Unsupervised categorization of images or image parts is often needed for image and video summarization or as a preprocessing step in supervised methods for classification, trackin...
BMCBI
2006
13 years 7 months ago
2006
Background: In the Bioinformatics field, a great deal of interest has been given to Non-negative matrix factorization technique (NMF), due to its capability of providing new insig...
BMCBI
2008
13 years 8 months ago
2008
Background: Keyword searching through PubMed and other systems is the standard means of retrieving information from Medline. However, ad-hoc retrieval systems do not meet all of t...
KDD
2008
ACM
14 years 8 months ago
2008
ACM
Supervised classification methods have been shown to be very effective for a large number of applications. They require a training data set whose instances are labeled to indicate...