860 search results - page 27 / 172 » Biased Random Walks |
STOC
2009
ACM
14 years 11 months ago
2009
ACM
Let K be a polytope in Rn defined by m linear inequalities. We give a new Markov Chain algorithm to draw a nearly uniform sample from K. The underlying Markov Chain is the first t...
KDD
2007
ACM
14 years 11 months ago
2007
ACM
In this paper, we design recommender systems for weblogs based on the link structure among them. We propose algorithms based on refined random walks and spectral methods. First, w...
SIGMETRICS
2012
ACM
12 years 1 months ago
2012
ACM
In this paper we study the behavior of a continuous time random walk (CTRW) on a stationary and ergodic time varying dynamic graph. We establish conditions under which the CTRW is...
ECCV
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. We propose a novel restoration method for defects and missing regions in video sequences, particularly in application to archive film restoration. Our statistical framew...
IJBC
2007
13 years 11 months ago
2007
In 1873 Francis Galton had constructed a simple mechanical device where a ball is dropped vertically through a harrow of pins that deflect the ball sideways as it falls. Galton c...