538 search results - page 94 / 108 » Dimension induced clustering |
IPMI
2005
Springer
14 years 10 months ago
2005
Springer
The blood oxygen level-dependent (BOLD) signal in response to brief periods of stimulus can be detected using event-related functional magnetic resonance imaging (ER-fMRI). In this...
ICML
2008
IEEE
14 years 10 months ago
2008
IEEE
We study the problem of finding the dominant eigenvector of the sample covariance matrix, under additional constraints on the vector: a cardinality constraint limits the number of...
WWW
2007
ACM
14 years 10 months ago
2007
ACM
Sequential patterns of d-gaps exist pervasively in inverted lists of Web document collection indices due to the cluster property. In this paper the information of d-gap sequential...
KDD
2008
ACM
14 years 10 months ago
2008
ACM
In large scale online systems like Search, eCommerce, or social network applications, user queries represent an important dimension of activities that can be used to study the imp...
ICDM
2008
IEEE
14 years 4 months ago
2008
IEEE
Nonnegative Matrix Factorization (NMF) is a dimension reduction method that has been widely used for various tasks including text mining, pattern analysis, clustering, and cancer ...