429 search results - page 4 / 86 » Improved Algorithms for the k Maximum-Sums Problems |
COCOA
2008
Springer
14 years 11 months ago
2008
Springer
The problem of interest is covering a given point set with homothetic copies of several convex containers C1,...,Ck, while the objective is to minimize the maximum over the dilatat...
JSS
2008
14 years 9 months ago
2008
Missing data is a widespread problem that can affect the ability to use data to construct effective prediction systems. We investigate a common machine learning technique that can...
FCT
2007
Springer
15 years 3 months ago
2007
Springer
We present new combinatorial approximation algorithms for k-set cover. Previous approaches are based on extending the greedy algorithm by efficiently handling small sets. The new a...
105
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ALGOSENSORS
2009
Springer
15 years 4 months ago
2009
Springer
A wireless ad-hoc network is a collection of transceivers positioned in the plane. Each transceiver is equipped with a limited battery charge. The battery charge is then reduced a...
100
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ICALP
2011
Springer
14 years 1 months ago
2011
Springer
We present an O( √ n log n)-approximation algorithm for the problem of finding the sparsest spanner of a given directed graph G on n vertices. A spanner of a graph is a sparse ...