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EOR
2000
115views more  EOR 2000»
13 years 5 months ago
An effective implementation of the Lin-Kernighan traveling salesman heuristic
This report describes an implementation of the Lin-Kernighan heuristic, one of the most successful methods for generating optimal or nearoptimal solutions for the symmetric travel...
Keld Helsgaun
SODA
2010
ACM
231views Algorithms» more  SODA 2010»
14 years 3 months ago
Asymmetric Traveling Salesman Path and Directed Latency Problems
We study integrality gaps and approximability of two closely related problems on directed graphs. Given a set V of n nodes in an underlying asymmetric metric and two specified nod...
Zachary Friggstad, Mohammad R. Salavatipour, Zoya ...
IPPS
2002
IEEE
13 years 10 months ago
A New Estimation Method for Distributed Java Object Activity
We introduce a new method to estimate the Java object activity in a distributed context of irregular applications. This method uses an observation mechanism which is itself a part...
Amer Bouchi, Richard Olejnik, Bernard Toursel
GECCO
2007
Springer
437views Optimization» more  GECCO 2007»
13 years 12 months ago
A gestalt genetic algorithm: less details for better search
The basic idea to defend in this paper is that an adequate perception of the search space, sacrificing most of the precision, can paradoxically accelerate the discovery of the mo...
Christophe Philemotte, Hugues Bersini
ECML
2004
Springer
13 years 9 months ago
Population Diversity in Permutation-Based Genetic Algorithm
Abstract. This paper presents an empirical study of population diversity measure and adaptive control of diversity in the context of a permutation-based algorithm for Traveling Sal...
Kenny Qili Zhu, Ziwei Liu