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» On the Vulnerability of Large Graphs
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STOC
2003
ACM
118views Algorithms» more  STOC 2003»
16 years 6 months ago
A proof of Alon's second eigenvalue conjecture
A d-regular graph has largest or first (adjacency matrix) eigenvalue 1 = d. In this paper we show the following conjecture of Alon. Fix an integer d > 2 and a real > 0. Then...
Joel Friedman
GD
2007
Springer
16 years 23 days ago
Improvement on the Decay of Crossing Numbers
We prove that the crossing number of a graph decays in a “continuous fashion” in the following sense. For any ε > 0 there is a δ > 0 such that for n sufficiently large...
Jakub Cerný, Jan Kyncl, Géza T&oacut...
ACL
2004
15 years 8 months ago
Enriching the Output of a Parser Using Memory-based Learning
We describe a method for enriching the output of a parser with information available in a corpus. The method is based on graph rewriting using memorybased learning, applied to dep...
Valentin Jijkoun, Maarten de Rijke
ACL
2010
15 years 4 months ago
Untangling the Cross-Lingual Link Structure of Wikipedia
Wikipedia articles in different languages are connected by interwiki links that are increasingly being recognized as a valuable source of cross-lingual information. Unfortunately,...
Gerard de Melo, Gerhard Weikum
ICC
2007
IEEE
192views Communications» more  ICC 2007»
16 years 28 days ago
Informed Dynamic Scheduling for Belief-Propagation Decoding of LDPC Codes
— Low-Density Parity-Check (LDPC) codes are usually decoded by running an iterative belief-propagation, or message-passing, algorithm over the factor graph of the code. The tradi...
Andres I. Vila Casado, Miguel Griot, Richard D. We...