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FOCS
2008
IEEE
15 years 8 months ago
Submodular Approximation: Sampling-based Algorithms and Lower Bounds
We introduce several generalizations of classical computer science problems obtained by replacing simpler objective functions with general submodular functions. The new problems i...
Zoya Svitkina, Lisa Fleischer
APPROX
2005
Springer
150views Algorithms» more  APPROX 2005»
15 years 7 months ago
A Primal-Dual Approximation Algorithm for Partial Vertex Cover: Making Educated Guesses
We study the partial vertex cover problem. Given a graph G = (V, E), a weight function w : V → R+ , and an integer s, our goal is to cover all but s edges, by picking a set of v...
Julián Mestre
ISAAC
2005
Springer
81views Algorithms» more  ISAAC 2005»
15 years 7 months ago
Complexity and Approximation of the Minimum Recombination Haplotype Configuration Problem
We study the complexity and approximation of the problem of reconstructing haplotypes from genotypes on pedigrees under the Mendelian Law of Inheritance and the minimum recombinant...
Lan Liu, Xi Chen, Jing Xiao, Tao Jiang
118
Voted
ESA
2005
Springer
136views Algorithms» more  ESA 2005»
15 years 7 months ago
Approximating the 2-Interval Pattern Problem
We address the problem of approximating the 2-Interval Pattern problem over its various models and restrictions. This problem, which is motivated by RNA secondary structure predict...
Maxime Crochemore, Danny Hermelin, Gad M. Landau, ...
STOC
1998
ACM
139views Algorithms» more  STOC 1998»
15 years 6 months ago
Approximation Schemes for Euclidean k-Medians and Related Problems
In the k-median problem we are given a set S of n points in a metric space and a positive integer k. We desire to locate k medians in space, such that the sum of the distances fro...
Sanjeev Arora, Prabhakar Raghavan, Satish Rao