115 search results - page 12 / 23 » Hardness and Approximation Results for Packing Steiner Trees |
SODA
2010
ACM
14 years 7 months ago
2010
ACM
Consider the following problem: given a metric space, some of whose points are "clients," select a set of at most k facility locations to minimize the average distance f...
CDC
2009
IEEE
15 years 2 months ago
2009
IEEE
—The paper addresses the problem of massive content distribution in the network where multiple sessions coexist. In the traditional approaches, the sessions form separate overlay...
82
Voted
TPDS
2008
14 years 9 months ago
2008
We study the problem of constructing a data gathering tree over a wireless sensor network in order to minimize the total energy for compressing and transporting information from a ...
FOCS
2000
IEEE
15 years 1 months ago
2000
IEEE
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 ...
FOCS
2009
IEEE
15 years 4 months ago
2009
IEEE
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]...