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» Switching Graphs and Their Complexity
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PODC
2009
ACM
16 years 5 months ago
Distributed and parallel algorithms for weighted vertex cover and other covering problems
The paper presents distributed and parallel -approximation algorithms for covering problems, where is the maximum number of variables on which any constraint depends (for example...
Christos Koufogiannakis, Neal E. Young
SIGMOD
2008
ACM
167views Database» more  SIGMOD 2008»
16 years 4 months ago
Efficient lineage tracking for scientific workflows
Data lineage and data provenance are key to the management of scientific data. Not knowing the exact provenance and processing pipeline used to produce a derived data set often re...
Thomas Heinis, Gustavo Alonso
EDBT
2006
ACM
120views Database» more  EDBT 2006»
16 years 4 months ago
Query Planning in the Presence of Overlapping Sources
Navigational queries on Web-accessible life science sources pose unique query optimization challenges. The objects in these sources are interconnected to objects in other sources, ...
Jens Bleiholder, Samir Khuller, Felix Naumann, Lou...
MOBIHOC
2001
ACM
16 years 4 months ago
Comparison between graph-based and interference-based STDMA scheduling
Spatial reuse TDMA is a fixed assignment access scheme for multi-hop radio networks. The idea is to increase network capacity by letting several radio terminals use the same time ...
Anders Hansson, Jimmi Grönkvist
CIAC
2010
Springer
376views Algorithms» more  CIAC 2010»
16 years 1 months ago
Kernelization for Maximum Leaf Spanning Tree with Positive Vertex Weights
In this paper we consider a natural generalization of the well-known Max Leaf Spanning Tree problem. In the generalized Weighted Max Leaf problem we get as input an undirected co...
Bart Jansen