606 search results - page 37 / 122 » A novel feature selection algorithm for text categorization |
CIBCB
2005
IEEE
14 years 2 months ago
2005
IEEE
Feature selection is an important preprocessing technique for many pattern recognition problems. When the number of features is very large while the number of samples is relatively...
ICDM
2008
IEEE
14 years 3 months ago
2008
IEEE
When the number of labeled examples is limited, traditional supervised feature selection techniques often fail due to sample selection bias or unrepresentative sample problem. To ...
SIGIR
2002
ACM
13 years 8 months ago
2002
ACM
In this paper, we present the AutoCat system for product classification. AutoCat uses a vector space model, modified to consider product attributes unavailable in traditional docu...
Publication
Image matching has been a central research topic in computer vision over the last decades. Typical approaches for correspondence involve matching features between images. In this p...
CIVR
2007
Springer
14 years 3 months ago
2007
Springer
Bag-of-features (BoF) deriving from local keypoints has recently appeared promising for object and scene classification. Whether BoF can naturally survive the challenges such as ...