253 search results - page 16 / 51 » Searching optimal feature subset using mutual information |
ICML
2008
IEEE
14 years 8 months ago
2008
IEEE
We derive a generalization bound for multiclassification schemes based on grid clustering in categorical parameter product spaces. Grid clustering partitions the parameter space i...
KDD
2003
ACM
14 years 7 months ago
2003
ACM
Two-dimensional contingency or co-occurrence tables arise frequently in important applications such as text, web-log and market-basket data analysis. A basic problem in contingenc...
BMCBI
2005
13 years 7 months ago
2005
Background: Accurate diagnosis of cancer subtypes remains a challenging problem. Building classifiers based on gene expression data is a promising approach; yet the selection of n...
KDD
2002
ACM
14 years 7 months ago
2002
ACM
This paper presents an approach to automatically optimizing the retrieval quality of search engines using clickthrough data. Intuitively, a good information retrieval system shoul...
CEC
2008
IEEE
14 years 1 months ago
2008
IEEE
—Evolutionary gradient search is a hybrid algorithm that exploits the complementary features of gradient search and evolutionary algorithm to achieve a level of efficiency and r...