Sciweavers

1591 search results - page 112 / 319
» Random lifts of graphs
Sort
View
AI
2008
Springer
15 years 6 months ago
Conditional independence and chain event graphs
Graphs provide an excellent framework for interrogating symmetric models of measurement random variables and discovering their implied conditional independence structure. However,...
Jim Q. Smith, Paul E. Anderson
JCT
2010
127views more  JCT 2010»
15 years 1 months ago
On the density of a graph and its blowup
It is well-known that, of all graphs with edge-density p, the random graph G(n, p) contains the smallest density of copies of Kt,t, the complete bipartite graph of size 2t. Since ...
Asaf Shapira, Raphael Yuster
ITA
2006
163views Communications» more  ITA 2006»
15 years 6 months ago
Graph fibrations, graph isomorphism, and PageRank
PageRank is a ranking method that assigns scores to web pages using the limit distribution of a random walk on the web graph. A fibration of graphs is a morphism that is a local i...
Paolo Boldi, Violetta Lonati, Massimo Santini, Seb...
SAC
2006
ACM
16 years 10 days ago
Evaluating unstructured peer-to-peer lookup overlays
Unstructured peer-to-peer lookup systems incur small constant overhead per single join or leave operation, and can easily support keyword searches. Hence, they are suitable for dy...
Idit Keidar, Roie Melamed
SLS
2007
Springer
117views Algorithms» more  SLS 2007»
16 years 14 days ago
An Algorithm Portfolio for the Sub-graph Isomorphism Problem
Abstract. This work presents an algorithm for the sub-graph isomorphism problem based on a new pruning technique for directed graphs. During the tree search, the method checks if a...
Roberto Battiti, Franco Mascia