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RSA
2006
71views more  RSA 2006»
15 years 4 months ago
Some conditional correlation inequalities for percolation and related processes
: Consider ordinary bond percolation on a finite or countably infinite graph. Let s, t, a, and b be vertices. An earlier paper (J. Van den Berg and J. Kahn, Ann Probab 29 (2001), 1...
Jacob van den Berg, Olle Häggström, Jeff...
ECCC
2010
143views more  ECCC 2010»
15 years 1 months ago
Space-Efficient Algorithms for Reachability in Surface-Embedded Graphs
We consider the reachability problem for a certain class of directed acyclic graphs embedded on surfaces. Let G(m, g) be the class of directed acyclic graphs with m = m(n) source ...
Derrick Stolee, N. V. Vinodchandran
SIGMOD
2004
ACM
121views Database» more  SIGMOD 2004»
16 years 4 months ago
An Optimal Algorithm for Querying Tree Structures and its Applications in Bioinformatics
Trees and graphs are widely used to model biological databases. Providing efficient algorithms to support tree-based or graph-based querying is therefore an important issue. In th...
Hsiao-Fei Liu, Ya-Hui Chang, Kun-Mao Chao
CIKM
2009
Springer
15 years 11 months ago
A query language for analyzing networks
With more and more large networks becoming available, mining and querying such networks are increasingly important tasks which are not being supported by database models and query...
Anton Dries, Siegfried Nijssen, Luc De Raedt
SLS
2007
Springer
117views Algorithms» more  SLS 2007»
15 years 10 months 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