141 search results - page 13 / 29 » Approximating Steiner trees in graphs with restricted weight... |
COLT
2010
Springer
13 years 5 months ago
2010
Springer
We study graph estimation and density estimation in high dimensions, using a family of density estimators based on forest structured undirected graphical models. For density estim...
ALGOSENSORS
2009
Springer
13 years 5 months ago
2009
Springer
Abstract. We describe a novel approach for constructing a single spanning tree for data aggregation towards a sink node. The tree is universal in the sense that it is static and in...
TPDS
2008
13 years 7 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 ...
CATS
2008
13 years 9 months ago
2008
Given an undirected graph with edge weights, we are asked to find an orientation, i.e., an assignment of a direction to each edge, so as to minimize the weighted maximum outdegree...
SODA
2001
ACM
13 years 9 months ago
2001
ACM
Covering and packing integer programs model a large family of combinatorial optimization problems. The current-best approximation algorithms for these are an instance of the basic...