173 search results - page 17 / 35 » Complexity and Approximation Results for the Connected Verte... |
FOCS
2006
IEEE
14 years 1 months ago
2006
IEEE
Given an undirected hypergraph and a subset of vertices S ⊆ V with a specified root vertex r ∈ S, the STEINER ROOTED-ORIENTATION problem is to find an orientation of all the...
COCOA
2008
Springer
13 years 9 months ago
2008
Springer
This paper deals with approximation algorithms for the prize collecting generalized Steiner forest problem, defined as follows. The input is an undirected graph G = (V, E), a colle...
SODA
1997
ACM
13 years 9 months ago
1997
ACM
We study graph partitioning problems on graphs with edge capacities and vertex weights. The problems of b-balanced cuts and k-balanced partitions are unified into a new problem ca...
SODA
2010
ACM
14 years 5 months ago
2010
ACM
Bidimensionality theory appears to be a powerful framework in the development of meta-algorithmic techniques. It was introduced by Demaine et al. [J. ACM 2005 ] as a tool to obtai...
DEXA
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. Sensor database is a type of database management system which offers sensor data and stored data in its data model and query languages. In this system, when a user poses ...