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» Minimum cut bases in undirected networks
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STOC
2010
ACM
261views Algorithms» more  STOC 2010»
13 years 10 months ago
An Improved LP-based Approximation for Steiner Tree
The Steiner tree problem is one of the most fundamental ÆÈ-hard problems: given a weighted undirected graph and a subset of terminal nodes, find a minimum weight tree spanning ...
Jaroslaw Byrka, Fabrizio Grandoni, Thomas Rothvoss...
CIAC
2006
Springer
97views Algorithms» more  CIAC 2006»
13 years 9 months ago
Network Discovery and Verification with Distance Queries
The network discovery (verification) problem asks for a minimum subset Q V of queries in an undirected graph G = (V, E) such that these queries discover all edges and non-edges o...
Thomas Erlebach, Alexander Hall, Michael Hoffmann ...
JGAA
2007
124views more  JGAA 2007»
13 years 5 months ago
Energy Models for Graph Clustering
The cluster structure of many real-world graphs is of great interest, as the clusters may correspond e.g. to communities in social networks or to cohesive modules in software syst...
Andreas Noack
CC
2006
Springer
108views System Software» more  CC 2006»
13 years 9 months 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
CN
2006
75views more  CN 2006»
13 years 5 months ago
Dynamic online QoS routing schemes: Performance and bounds
Several dynamic QoS routing techniques have been recently proposed for new IP networks based on label forwarding. However, no extensive performance evaluation and comparison is av...
Antonio Capone, Luigi Fratta, Fabio Martignon