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AIRWEB
2005
Springer
14 years 1 months ago
Pagerank Increase under Different Collusion Topologies
We study the impact of collusion –nepotistic linking– in a Web graph in terms of Pagerank. We prove a bound on the Pagerank increase that depends both on the reset probability...
Ricardo A. Baeza-Yates, Carlos Castillo, Vicente L...
CSCLP
2005
Springer
14 years 1 months ago
A CSP Search Algorithm with Reduced Branching Factor
This paper presents an attempt to construct a ”practical” CSP algorithm that assigns a variable with 2 values at every step. Such a strategy has been successfully used for cons...
Igor Razgon, Amnon Meisels
SAT
2004
Springer
85views Hardware» more  SAT 2004»
14 years 1 months ago
Visualizing the Internal Structure of SAT Instances (Preliminary Report)
Modern algorithms for the SAT problem reveal an almost tractable behavior on “real-world” instances. This is frequently contributed to the fact that these instances possess an ...
Carsten Sinz
FOCS
2003
IEEE
14 years 1 months ago
A Non-Markovian Coupling for Randomly Sampling Colorings
We study a simple Markov chain, known as the Glauber dynamics, for randomly sampling (proper) k-colorings of an input graph G on n vertices with maximum degree ∆ and girth g. We...
Thomas P. Hayes, Eric Vigoda
FSTTCS
2003
Springer
14 years 1 months ago
Pushdown Games with Unboundedness and Regular Conditions
We consider infinitary two-player perfect information games defined over graphs of configurations of a pushdown automaton. We show how to solve such games when winning condition...
Alexis-Julien Bouquet, Olivier Serre, Igor Walukie...