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» Computing median and antimedian sets in median graphs
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RECOMB
2007
Springer
14 years 8 months ago
Improving Inversion Median Computation Using Commuting Reversals and Cycle Information
In the past decade, genome rearrangements have attracted increasing attention from both biologists and computer scientists as a new type of data for phylogenetic analysis. Methods ...
William Arndt, Jijun Tang
ICPR
2010
IEEE
13 years 9 months ago
Consistent Estimators of Median and Mean Graph
The median and mean graph are basic building blocks for statistical graph analysis and unsupervised pattern recognition methods such as central clustering and graph quantization. ...
Brijnesh J. Jain, Klaus Obermayer
CAIP
2009
Springer
117views Image Analysis» more  CAIP 2009»
14 years 2 months ago
A Hypergraph-Based Model for Graph Clustering: Application to Image Indexing
Abstract. In this paper, we introduce a prototype-based clustering algorithm dealing with graphs. We propose a hypergraph-based model for graph data sets by allowing clusters overl...
Salim Jouili, Salvatore Tabbone
SODA
2012
ACM
297views Algorithms» more  SODA 2012»
11 years 10 months ago
Constant factor approximation algorithm for the knapsack median problem
We give a constant factor approximation algorithm for the following generalization of the k-median problem. We are given a set of clients and facilities in a metric space. Each fa...
Amit Kumar
COMPGEOM
2004
ACM
14 years 1 months ago
On the least median square problem
We consider the exact and approximate computational complexity of the multivariate LMS linear regression estimator. The LMS estimator is among the most widely used robust linear s...
Jeff Erickson, Sariel Har-Peled, David M. Mount