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COCOON
1999
Springer
15 years 2 months ago
Multi-coloring Trees
Scheduling jobs with pairwise conflicts is modeled by the graph multicoloring problem. It occurs in two versions: in the preemptive case, each vertex may get any set of colors, w...
Magnús M. Halldórsson, Guy Kortsarz,...
IPCO
2008
91views Optimization» more  IPCO 2008»
14 years 11 months ago
New Geometry-Inspired Relaxations and Algorithms for the Metric Steiner Tree Problem
Abstract. Determining the integrality gap of the bidirected cut relaxation for the metric Steiner tree problem, and exploiting it algorithmically, is a long-standing open problem. ...
Deeparnab Chakrabarty, Nikhil R. Devanur, Vijay V....
CADE
2009
Springer
15 years 10 months ago
Beyond Dependency Graphs
The dependency pair framework is a powerful technique for proving termination of rewrite systems. One of the most frequently used methods within the dependency pair framework is t...
Martin Korp, Aart Middeldorp
ICDM
2006
IEEE
81views Data Mining» more  ICDM 2006»
15 years 4 months ago
Full Perfect Extension Pruning for Frequent Graph Mining
Mining graph databases for frequent subgraphs has recently developed into an area of intensive research. Its main goals are to reduce the execution time of the existing basic algo...
Christian Borgelt, Thorsten Meinl
DAM
2006
100views more  DAM 2006»
14 years 10 months ago
A combinatorial algorithm for weighted stable sets in bipartite graphs
Abstract. Computing a maximum weighted stable set in a bipartite graph is considered wellsolved and usually approached with preflow-push, Ford-Fulkerson or network simplex algorith...
Ulrich Faigle, Gereon Frahling