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FSTTCS
2007
Springer
14 years 3 months ago
Undirected Graphs of Entanglement 2
Entanglement is a complexity measure of directed graphs that origins in fixed point theory. This measure has shown its use in designing efficient algorithms to verify logical prop...
Walid Belkhir, Luigi Santocanale
ACL
2006
13 years 10 months ago
LexNet: A Graphical Environment for Graph-Based NLP
This interactive presentation describes LexNet, a graphical environment for graph-based NLP developed at the University of Michigan. LexNet includes LexRank (for text summarizatio...
Dragomir R. Radev, Günes Erkan, Anthony Fader...
ESA
2007
Springer
105views Algorithms» more  ESA 2007»
14 years 3 months ago
Finding Branch-Decompositions and Rank-Decompositions
Abstract. We present a new algorithm that can output the rankdecomposition of width at most k of a graph if such exists. For that we use an algorithm that, for an input matroid rep...
Petr Hlinený, Sang-il Oum
TSP
2008
103views more  TSP 2008»
13 years 9 months ago
Low-Rank Variance Approximation in GMRF Models: Single and Multiscale Approaches
Abstract--We present a versatile framework for tractable computation of approximate variances in large-scale Gaussian Markov random field estimation problems. In addition to its ef...
Dmitry M. Malioutov, Jason K. Johnson, Myung Jin C...
COLING
2010
13 years 4 months ago
FactRank: Random Walks on a Web of Facts
Fact collections are mostly built using semi-supervised relation extraction techniques and wisdom of the crowds methods, rendering them inherently noisy. In this paper, we propose...
Alpa Jain, Patrick Pantel