46 search results - page 8 / 10 » Approximating the minimum directed tree cover |
STACS
2001
Springer
13 years 11 months ago
2001
Springer
The stretch factor of a Euclidean graph is the maximum ratio of the distance in the graph between any two points and their Euclidean distance. Given a set S of n points in Rd, we ...
MOBIHOC
2006
ACM
14 years 7 months ago
2006
ACM
We study a novel hierarchical wireless networking approach in which some of the nodes are more capable than others. In such networks, the more capable nodes can serve as Mobile Ba...
CISS
2007
IEEE
13 years 11 months ago
2007
IEEE
The problem of routing of sensor observations for optimal detection of a Markov random field (MRF) at a designated fusion center is analyzed. Assuming that the correlation structur...
WADS
2009
Springer
14 years 1 months ago
2009
Springer
Abstract. A central issue in the design of modern communication networks is the provision of Quality-of-Service (QoS) guarantees at the presence of heterogeneous users. For instanc...
Lecture Notes
"This course will consist of a number of major sections. The first will be a short review of some preliminary material, including asymptotics, summations, and recurrences and ...