239 search results - page 26 / 48 » Document clustering using nonnegative matrix factorization |
BMCBI
2010
13 years 6 months ago
2010
Background: External stimulations of cells by hormones, cytokines or growth factors activate signal transduction pathways that subsequently induce a re-arrangement of cellular gen...
KDD
2007
ACM
14 years 9 months ago
2007
ACM
The blogosphere has unique structural and temporal properties since blogs are typically used as communication media among human individuals. In this paper, we propose a novel tech...
ICASSP
2011
IEEE
13 years 12 days ago
2011
IEEE
Many works on speech processing have dealt with auto-regressive (AR) models for spectral envelope and formant frequency estimation, mostly focusing on the estimation of the AR par...
ICIP
2006
IEEE
14 years 10 months ago
2006
IEEE
A novel method based on geometrical and texture information is proposed for facial expression recognition from video sequences. The Discriminant Non-negative Matrix Factorization ...
ICDM
2010
IEEE
13 years 6 months ago
2010
IEEE
Thousands of scientific conferences happen every year, and each involves a laborious scientific peer review process conducted by one or more busy scientists serving as Technical/Sc...