136 search results - page 13 / 28 » A Constant-Factor Approximation Algorithm for the k-Median P... |
TOC
2008
13 years 7 months ago
2008
Abstract: Schnorr's algorithm for finding an approximation for the shortest nonzero vector in an n-dimensional lattice depends on a parameter k. He proved that for a fixed k ...
APPROX
2008
Springer
13 years 9 months ago
2008
Springer
Abstract. We give a (ln n + 1)-approximation for the decision tree (DT) problem. An instance of DT is a set of m binary tests T = (T1, . . . , Tm) and a set of n items X = (X1, . ....
COCO
2004
Springer
13 years 11 months ago
2004
Springer
We initiate the study of the computational complexity of the covering radius problem for point lattices, and approximation versions of the problem for both lattices and linear cod...
STACS
2009
Springer
14 years 2 months ago
2009
Springer
The notions of hypertree width and generalized hypertree width were introduced by Gottlob, Leone, and Scarcello in order to extend the concept of hypergraph acyclicity. These noti...
SWAT
2010
Springer
13 years 5 months ago
2010
Springer
We study the problem of minimizing the diameter of a graph by adding k shortcut edges, for speeding up communication in an existing network design. We develop constant-factor appro...