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IPL
2008
172views more  IPL 2008»
15 years 5 months ago
Approximation algorithms for restricted Bayesian network structures
Bayesian Network structures with a maximum in-degree of k can be approximated with respect to a positive scoring metric up to an factor of 1/k. Key words: approximation algorithm,...
Valentin Ziegler
DM
2007
59views more  DM 2007»
15 years 5 months ago
Non-existence of nonorientable regular embeddings of n-dimensional cubes
By a regular embedding of a graph K into a surface we mean a 2-cell embedding of K into a compact connected surface with the automorphism group acting regularly on flags. Regular...
Young Soo Kwon, Roman Nedela
ICRA
2005
IEEE
126views Robotics» more  ICRA 2005»
15 years 10 months ago
A Coverage Algorithm for Multi-robot Boundary Inspection
— This paper introduces the multi-robot boundary coverage problem, wherein a group of k robots must inspect every point on the boundary of a 2-dimensional test environment. Using...
Kjerstin Easton, Joel Burdick
IWPEC
2009
Springer
15 years 11 months ago
On the Directed Degree-Preserving Spanning Tree Problem
In this paper we initiate a systematic study of the Reduced Degree Spanning Tree problem, where given a digraph D and a nonnegative integer k, the goal is to construct a spanning o...
Daniel Lokshtanov, Venkatesh Raman, Saket Saurabh,...
APPROX
2004
Springer
120views Algorithms» more  APPROX 2004»
15 years 10 months ago
Simultaneous Source Location
We consider the problem of Simultaneous Source Location – selecting locations for sources in a capacitated graph such that a given set of demands can be satisfied. We give an ex...
Konstantin Andreev, Charles Garrod, Bruce M. Maggs...