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WADS
2005
Springer
122views Algorithms» more  WADS 2005»
15 years 7 months ago
Parameterized Complexity of Generalized Vertex Cover Problems
Important generalizations of the Vertex Cover problem (Connected Vertex Cover, Capacitated Vertex Cover, and Maximum Partial Vertex Cover) have been intensively studied in terms of...
Jiong Guo, Rolf Niedermeier, Sebastian Wernicke
SIAMJO
2008
76views more  SIAMJO 2008»
15 years 1 months ago
Identification and Elimination of Interior Points for the Minimum Enclosing Ball Problem
Given A := {a1, . . . , am} Rn, we consider the problem of reducing the input set for the computation of the minimum enclosing ball of A. In this note, given an approximate soluti...
S. Damla Ahipasaoglu, E. Alper Yildirim
STOC
2002
ACM
91views Algorithms» more  STOC 2002»
16 years 2 months ago
The importance of being biased
The Minimum Vertex Cover problem is the problem of, given a graph, finding a smallest set of vertices that touches all edges. We show that it is NP-hard to approximate this proble...
Irit Dinur, Shmuel Safra
APPROX
2008
Springer
127views Algorithms» more  APPROX 2008»
15 years 3 months ago
Approximating Single Machine Scheduling with Scenarios
In the field of robust optimization, the goal is to provide solutions to combinatorial problems that hedge against variations of the numerical parameters. This constitutes an effor...
Monaldo Mastrolilli, Nikolaus Mutsanas, Ola Svenss...
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APPROX
2008
Springer
101views Algorithms» more  APPROX 2008»
15 years 3 months ago
Streaming Algorithms for k-Center Clustering with Outliers and with Anonymity
Clustering is a common problem in the analysis of large data sets. Streaming algorithms, which make a single pass over the data set using small working memory and produce a cluster...
Richard Matthew McCutchen, Samir Khuller