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» Cover Algorithms and Their Combination
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ADHOCNOW
2008
Springer
14 years 1 months ago
Local Maximal Matching and Local 2-Approximation for Vertex Cover in UDGs
We present 1 − approximation algorithms for the maximum matching problem in location aware unit disc graphs and in growth-bounded graphs. The algorithm for unit disk graph is loc...
Andreas Wiese, Evangelos Kranakis
WALCOM
2010
IEEE
290views Algorithms» more  WALCOM 2010»
14 years 2 months ago
The Covert Set-Cover Problem with Application to Network Discovery
We address a version of the set-cover problem where we do not know the sets initially (and hence referred to as covert) but we can query an element to find out which sets contain ...
Sandeep Sen, V. N. Muralidhara
ISSRE
2003
IEEE
14 years 26 days ago
Augmenting Simulated Annealing to Build Interaction Test Suites
Component based software development is prone to unexpected interaction faults. The goal is to test as many potential interactions as is feasible within time and budget constraint...
Myra B. Cohen, Charles J. Colbourn, Alan C. H. Lin...
STOC
2007
ACM
117views Algorithms» more  STOC 2007»
14 years 8 months ago
Tight integrality gaps for Lovasz-Schrijver LP relaxations of vertex cover and max cut
We study linear programming relaxations of Vertex Cover and Max Cut arising from repeated applications of the "lift-and-project" method of Lovasz and Schrijver starting ...
Grant Schoenebeck, Luca Trevisan, Madhur Tulsiani
SIAMCOMP
2008
101views more  SIAMCOMP 2008»
13 years 7 months ago
Combination Can Be Hard: Approximability of the Unique Coverage Problem
We prove semi-logarithmic inapproximability for a maximization problem called unique coverage: given a collection of sets, find a subcollection that maximizes the number of elemen...
Erik D. Demaine, Uriel Feige, MohammadTaghi Hajiag...