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CORR
2008
Springer
133views Education» more  CORR 2008»
15 years 6 months ago
A simple local 3-approximation algorithm for vertex cover
We present a local algorithm (constant-time distributed algorithm) for finding a 3-approximate vertex cover in bounded-degree graphs. The algorithm is deterministic, and no auxili...
Valentin Polishchuk, Jukka Suomela
SIAMCOMP
2000
125views more  SIAMCOMP 2000»
15 years 6 months ago
Approximating the Stretch Factor of Euclidean Graphs
There are several results available in the literature dealing with efficient construction of t-spanners for a given set S of n points in Rd. t-spanners are Euclidean graphs in whic...
Giri Narasimhan, Michiel H. M. Smid
WAW
2007
Springer
144views Algorithms» more  WAW 2007»
16 years 11 days ago
Approximating Betweenness Centrality
Betweenness is a centrality measure based on shortest paths, widely used in complex network analysis. It is computationally-expensive to exactly determine betweenness; currently th...
David A. Bader, Shiva Kintali, Kamesh Madduri, Mil...
SCALESPACE
2001
Springer
15 years 10 months ago
Generic Multi-scale Segmentation and Curve Approximation Method
Abstract. We propose a new complete method to extract significant description(s) of planar curves according to constant curvature segments. This method is based (i) on a multi-sca...
Marielle Mokhtari, Robert Bergevin
AMAST
2008
Springer
15 years 8 months ago
Long-Run Cost Analysis by Approximation of Linear Operators over Dioids
Abstract. We present a static analysis technique for modeling and approximating the long-run resource usage of programs. The approach is based on a quantitative semantic framework ...
David Cachera, Thomas P. Jensen, Arnaud Jobin, Pas...