Sciweavers

654 search results - page 51 / 131
» An efficient approximation algorithm for the survivable netw...
Sort
View
SIAMDM
2010
113views more  SIAMDM 2010»
13 years 3 months ago
The VPN Problem with Concave Costs
We consider the following network design problem. We are given an undirected network with costs on the edges, a set of terminals, and an upper bound for each terminal limiting the ...
Samuel Fiorini, Gianpaolo Oriolo, Laura Sanit&agra...
CC
2006
Springer
108views System Software» more  CC 2006»
14 years 20 days ago
A Fresh Look at PRE as a Maximum Flow Problem
We show that classic PRE is also a maximum flow problem, thereby revealing the missing link between classic and speculative PRE, and more importantly, establishing a common high-le...
Jingling Xue, Jens Knoop
STOC
2007
ACM
239views Algorithms» more  STOC 2007»
14 years 9 months ago
Approximating minimum bounded degree spanning trees to within one of optimal
In the MINIMUM BOUNDED DEGREE SPANNING TREE problem, we are given an undirected graph with a degree upper bound Bv on each vertex v, and the task is to find a spanning tree of min...
Mohit Singh, Lap Chi Lau
VLDB
2005
ACM
115views Database» more  VLDB 2005»
14 years 2 months ago
KLEE: A Framework for Distributed Top-k Query Algorithms
This paper addresses the efficient processing of top-k queries in wide-area distributed data repositories where the index lists for the attribute values (or text terms) of a query...
Sebastian Michel, Peter Triantafillou, Gerhard Wei...
INFOCOM
2009
IEEE
14 years 3 months ago
Towards Efficient Large-Scale VPN Monitoring and Diagnosis under Operational Constraints
Continuous monitoring and diagnosis of network performance are of crucial importance for the Internet access service and virtual private network (VPN) service providers. Various o...
Yao Zhao, Zhaosheng Zhu, Yan Chen, Dan Pei, Jia Wa...