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» The complexity of approximating entropy
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WAOA
2005
Springer
177views Algorithms» more  WAOA 2005»
15 years 3 months ago
Approximation and Complexity of k-Splittable Flows
Given a graph with a source and a sink node, the NP–hard maximum k–splittable flow (MkSF) problem is to find a flow of maximum value with a flow decomposition using at most...
Ronald Koch, Martin Skutella, Ines Spenke
RECOMB
1997
Springer
15 years 2 months ago
On the complexity and approximation of syntenic distance
The paper studies the computational complexity and approximation algorithms for a new evolutionary distance between multi-chromosomal genomes introduced recently by Ferretti, Nade...
Bhaskar DasGupta, Tao Jiang, Sampath Kannan, Ming ...
CP
2008
Springer
14 years 11 months ago
A Soft Constraint of Equality: Complexity and Approximability
We introduce the SoftAllEqual global constraint, which maximizes the number of equalities holding between pairs of assignments to a set of variables. We study the computational com...
Emmanuel Hebrard, Barry O'Sullivan, Igor Razgon
IJCAI
2003
14 years 11 months ago
Reasoning about soft constraints and conditional preferences: complexity results and approximation techniques
Many real life optimization problems contain both hard and soft constraints, as well as qualitative conditional preferences. However, there is no single formalism to specify all t...
Carmel Domshlak, Francesca Rossi, Kristen Brent Ve...
AAIM
2006
Springer
75views Algorithms» more  AAIM 2006»
15 years 4 months ago
Subsequence Packing: Complexity, Approximation, and Application
We study the subsequence packing problem: given a string T and a collection of strings {Si}, find disjoint subsequences {Ti} of T with maximum total length such that each Ti is a ...
Minghui Jiang