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FOCS
2010
IEEE
13 years 5 months ago
Stability Yields a PTAS for k-Median and k-Means Clustering
We consider k-median clustering in finite metric spaces and k-means clustering in Euclidean spaces, in the setting where k is part of the input (not a constant). For the k-means pr...
Pranjal Awasthi, Avrim Blum, Or Sheffet
TCBB
2008
73views more  TCBB 2008»
13 years 7 months ago
Nature Reserve Selection Problem: A Tight Approximation Algorithm
The Nature Reserve Selection Problem is a problem that arises in the context of studying biodiversity conservation. Subject to budgetary constraints, the problem is to select a set...
Magnus Bordewich, Charles Semple
ICDE
2007
IEEE
140views Database» more  ICDE 2007»
14 years 8 months ago
Selecting Stars: The k Most Representative Skyline Operator
Skyline computation has many applications including multi-criteria decision making. In this paper, we study the problem of selecting k skyline points so that the number of points,...
Xuemin Lin, Yidong Yuan, Qing Zhang, Ying Zhang
CORR
2008
Springer
44views Education» more  CORR 2008»
13 years 7 months ago
An Improved Approximation Algorithm for the Column Subset Selection Problem
Christos Boutsidis, Michael W. Mahoney, Petros Dri...
GECCO
2005
Springer
109views Optimization» more  GECCO 2005»
14 years 26 days ago
A hybrid evolutionary algorithm for the p-median problem
A hybrid evolutionary algorithm (EA) for the p-median problem consist of two stages, each of which is a steady-state hybrid EA. These EAs encode selections of medians as subsets o...
István Borgulya