447 search results - page 15 / 90 » Approximation Algorithms for Directed Steiner Problems |
CATS
2007
13 years 10 months ago
2007
We consider the problem of constructing a shortest Euclidean 2-connected Steiner network (SMN) for a set of terminals. This problem has natural applications in the design of survi...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract—Wireless mesh networks are popular as a costeffective means to provide broadband connectivity to large user populations. A mesh network placement provides coverage, such...
ESA
2008
Springer
13 years 10 months ago
2008
Springer
The edge asymmetry of a directed, edge-weighted graph is defined as the maximum ratio of the weight of antiparallel edges in the graph, and can be used as a measure of the heterog...
LATIN
2010
Springer
14 years 1 months ago
2010
Springer
In this paper we design an iterative rounding approach for the classic prize-collecting Steiner forest problem and more generally the prize-collecting survivable Steiner network de...
ISAAC
2010
Springer
13 years 6 months ago
2010
Springer
Abstract. We consider the Steiner tree problem under a 2-stage stochastic model with recourse and finitely many scenarios (SSTP). Thereby, edges are purchased in the first stage wh...