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119
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ICALP
2005
Springer
15 years 9 months ago
A Better Approximation Ratio for the Vertex Cover Problem
We reduce the approximation factor for Vertex Cover to 2 − Θ( 1√ log n ) (instead of the previous 2 − Θ(log log n log n ), obtained by Bar-Yehuda and Even [2], and by Moni...
George Karakostas
142
Voted
ICDM
2002
IEEE
153views Data Mining» more  ICDM 2002»
15 years 8 months ago
Generating an informative cover for association rules
Mining association rules may generate a large numbers of rules making the results hard to analyze manually. Pasquier et al. have discussed the generation of GuiguesDuquenne–Luxe...
Laurentiu Cristofor, Dan A. Simovici
135
Voted
ICALP
2010
Springer
15 years 8 months ago
Inapproximability of Hypergraph Vertex Cover and Applications to Scheduling Problems
Assuming the Unique Games Conjecture (UGC), we show optimal inapproximability results for two classic scheduling problems. We obtain a hardness of 2 − ε for the problem of mini...
Nikhil Bansal, Subhash Khot
COCOON
2001
Springer
15 years 8 months ago
On-Line Variable Sized Covering
We consider one-dimensional and multi-dimensional vector covering with variable sized bins. In the one-dimensional case, we consider variable sized bin covering with bounded item ...
Leah Epstein
111
Voted
ANTS
2000
Springer
96views Algorithms» more  ANTS 2000»
15 years 8 months ago
Coverings of Curves of Genus 2
We shall discuss the idea of finding all rational points on a curve C by first finding an associated collection of curves whose rational points cover those of C. This classical ...
E. Victor Flynn