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128
Voted
SODA
1993
ACM
85views Algorithms» more  SODA 1993»
15 years 3 months ago
On Traversing Layered Graphs On-line
The following bounds on the competitive ratios of deterministic and randomized on-line algorithms for traversing width-w layered graphs are obtained.
H. Ramesh
ACL
2009
15 years 10 days ago
Markov Random Topic Fields
Most approaches to topic modeling assume an independence between documents that is frequently violated. We present an topic model that makes use of one or more user-specified grap...
Hal Daume III
108
Voted
CVPR
2007
IEEE
16 years 4 months ago
Learning Conditional Random Fields for Stereo
State-of-the-art stereo vision algorithms utilize color changes as important cues for object boundaries. Most methods impose heuristic restrictions or priors on disparities, for e...
Daniel Scharstein, Chris Pal
ISAAC
1997
Springer
162views Algorithms» more  ISAAC 1997»
15 years 6 months ago
A Randomized Linear Work EREW PRAM Algorithm to Find a Minimum Spanning Forest
We present a randomized EREW PRAM algorithm to nd a minimum spanning forest in a weighted undirected graph. On an n-vertex graph the algorithm runs in o((logn)1+ ) expected time f...
Chung Keung Poon, Vijaya Ramachandran
ICASSP
2010
IEEE
15 years 2 months ago
Bridge detection and robust geodesics estimation via random walks
We propose an algorithm for detecting bridges and estimating geodesic distances from a set of noisy samples of an underlying manifold. Finding geodesics on a nearest neighbors gra...
Eugene Brevdo, Peter J. Ramadge