59 search results - page 12 / 12 » Efficient Nonnegative Matrix Factorization with Random Proje... |
SIAMSC
2008
13 years 5 months ago
2008
The convergence of Multigrid methods can be analyzed based on a Fourier analysis of the method or by proving certain inequalities that have to be fulfilled by the smoother and by t...
KDD
2008
ACM
14 years 5 months ago
2008
ACM
This work introduces a new family of link-based dissimilarity measures between nodes of a weighted directed graph. This measure, called the randomized shortest-path (RSP) dissimil...
NIPS
2004
13 years 6 months ago
2004
We show how to build hierarchical, reduced-rank representation for large stochastic matrices and use this representation to design an efficient algorithm for computing the largest...
BMCBI
2006
13 years 5 months ago
2006
Background: Migration is an important aspect of cellular behaviour and is therefore widely studied in cell biology. Numerous components are known to participate in this process in...