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SODA
2008
ACM
200views Algorithms» more  SODA 2008»
13 years 10 months ago
Clustering for metric and non-metric distance measures
We study a generalization of the k-median problem with respect to an arbitrary dissimilarity measure D. Given a finite set P, our goal is to find a set C of size k such that the s...
Marcel R. Ackermann, Johannes Blömer, Christi...
DICTA
2003
13 years 10 months ago
Globally Optimal Surfaces by Continuous Maximal Flows
Abstract. In this paper we solve the problem of computing exact continuous optimal curves and surfaces for image segmentation and 3D reconstruction, using a maximal flow approach ...
Ben Appleton, Hugues Talbot
STACS
2004
Springer
14 years 1 months ago
An Algorithmic View on OVSF Code Assignment
OrthogonalVariableSpreadingFactor(OVSF)codesareusedinUMTStosharetheradiospectrum among several connections of possibly different bandwidth requirements. The combinatorial core of t...
Thomas Erlebach, Riko Jacob, Matús Mihal&aa...
APPROX
2006
Springer
162views Algorithms» more  APPROX 2006»
14 years 9 days ago
Approximating Precedence-Constrained Single Machine Scheduling by Coloring
Abstract. This paper investigates the relationship between the dimension theory of partial orders and the problem of scheduling precedenceconstrained jobs on a single machine to mi...
Christoph Ambühl, Monaldo Mastrolilli, Ola Sv...
PVLDB
2008
174views more  PVLDB 2008»
13 years 8 months ago
Relaxation in text search using taxonomies
In this paper we propose a novel document retrieval model in which text queries are augmented with multi-dimensional taxonomy restrictions. These restrictions may be relaxed at a ...
Marcus Fontoura, Vanja Josifovski, Ravi Kumar, Chr...