Sciweavers

79 search results - page 11 / 16
» Improved approximation algorithms for multidimensional bin p...
Sort
View
FCT
2007
Springer
15 years 3 months ago
Analysis of Approximation Algorithms for k-Set Cover Using Factor-Revealing Linear Programs
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...
Stavros Athanassopoulos, Ioannis Caragiannis, Chri...
79
Voted
MOBIQUITOUS
2005
IEEE
15 years 3 months ago
Multi-Constraint Dynamic Access Selection in Always Best Connected Networks
Abstract— In future generation networks, various access technologies, such as Wi-Fi, Bluetooth, GPRS and UMTS, etc., are simultaneously available to mobile devices. They vary in ...
Bo Xing, Nalini Venkatasubramanian
FOCS
2009
IEEE
15 years 4 months ago
Symmetry and Approximability of Submodular Maximization Problems
Abstract— A number of recent results on optimization problems involving submodular functions have made use of the ”multilinear relaxation” of the problem [3], [8], [24], [14]...
Jan Vondrák
57
Voted
ICPR
2008
IEEE
15 years 10 months ago
Tailoring text for automatic layouting of newspaper pages
We consider layouting news articles on a page as a cutting and packing problem with output maximization. We propose to tailor news articles by employing automatic summarization to...
Leonhard Hennig, Thomas Strecker
78
Voted
FOCS
2000
IEEE
15 years 1 months ago
Approximating the single source unsplittable min-cost flow problem
Abstract. In the single source unsplittable min-cost flow problem, commodities must be routed simultaneously from a common source vertex to certain destination vertices in a given ...
Martin Skutella