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Communication Dans Un Congrès Année : 2003

Where are Bottlenecks in NK Fitness Landscapes?

Résumé

Usually the offspring-parent fitness correlation is used to visualize and analyze some caracteristics of fitness landscapes such as evolvability. In this paper, we introduce a more general representation of this correlation, the Fitness Cloud (FC). We use the bottleneck metaphor to emphasise fitness levels in landscape that cause local search process to slow down. For a local search heuristic such as hill-climbing or simulated annealing, FC allows to visualize bottleneck and neutrality of landscapes. To confirm the relevance of the FC representation we show where the bottlenecks are in the well-know NK fitness landscape and also how to use neutrality information from the FC to combine some neutral operator with local search heuristic.
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Dates et versions

hal-00159994 , version 1 (04-07-2007)

Identifiants

Citer

Sébastien Verel, Philippe Collard, Manuel Clergue. Where are Bottlenecks in NK Fitness Landscapes?. Evolutionary Computation, 2003. CEC'03, Dec 2003, Canberra, Australia. pp.273--280, ⟨10.1109/CEC.2003.1299585⟩. ⟨hal-00159994⟩
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