282 search results - page 54 / 57 » Additive Preconditioning for Matrix Computations |
ACCV
2010
Springer
13 years 2 months ago
2010
Springer
Abstract. Estimation using homogeneous entities has to cope with obstacles such as singularities of covariance matrices and redundant parametrizations which do not allow an immedia...
MST
2010
13 years 2 months ago
2010
We consider triply-nested loops of the type that occur in the standard Gaussian elimination algorithm, which we denote by GEP (or the Gaussian Elimination Paradigm). We present tw...
COMPGEOM
2011
ACM
12 years 11 months ago
2011
ACM
We present a clustering scheme that combines a mode-seeking phase with a cluster merging phase in the corresponding density map. While mode detection is done by a standard graph-b...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
We discover communities from social network data, and analyze the community evolution. These communities are inherent characteristics of human interaction in online social network...
KDD
2009
ACM
14 years 8 months ago
2009
ACM
Topic models provide a powerful tool for analyzing large text collections by representing high dimensional data in a low dimensional subspace. Fitting a topic model given a set of...