Making the Edge-Set Encoding Fly by Controlling the Bias of its Crossover Operator

Rothlauf, Franz ; Tzschoppe, Carsten

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URN: urn:nbn:de:bsz:180-madoc-9871
Document Type: Working paper
Year of publication: 2004
The title of a journal, publication series: None
Publication language: English
Institution: Business School > Sonstige - Fakultät für Betriebswirtschaftslehre
MADOC publication series: Area Information Systems and Institute for Enterprise Systems > Working Papers Lehrstuhl für ABWL und Wirtschaftsinformatik (Heinzl) (bis 2011)
Subject: 004 Computer science, internet
Subject headings (SWD): Heuristik , Kontrolle
Abstract: The edge-set encoding is a direct tree encoding which applies search operators directly to trees represented as sets of edges. There are two variants of crossover operators for the edge-set encoding: With heuristics that consider the weights of the edges, or without heuristics. Due to a strong bias of the heuristic crossover operator towards the minimum spanning tree (MST) a population of solutions converges quickly towards the MST and EAs using this operator show low performance when used for tree optimization problems where the optimal solution is not the MST.
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Das Dokument wird vom Publikationsserver der Universitätsbibliothek Mannheim bereitgestellt.

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