629 search results - page 29 / 126 » Document clustering based on cluster validation |
IS
2006
13 years 7 months ago
2006
The processing and management of XML data are popular research issues. However, operations based on the structure of XML data have not received strong attention. These operations ...
MLDM
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. The ability to discover the topic of a large set of text documents using relevant keyphrases is usually regarded as a very tedious task if done by hand. Automatic keyphra...
TKDE
2011
13 years 2 months ago
2011
—Previous studies have demonstrated that document clustering performance can be improved significantly in lower dimensional linear subspaces. Recently, matrix factorization base...
WEBI
2007
Springer
14 years 1 months ago
2007
Springer
Nonnegative Matrix Factorization (NMF) has been proven to be effective in text mining. However, since NMF is a well-known unsupervised components analysis technique, the existing ...
MM
2006
ACM
14 years 1 months ago
2006
ACM
We have developed a biologically-motivated, unsupervised way of grouping together images whose salient regions of interest (ROIs) are perceptually similar regardless of the visual...