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The edge-set encoding is a direct tree encoding which applies search oper-ators directly to trees represented as sets of edges. There are two variantsof crossover operators for the edge-set encoding: With heuristics that con-sider the weights of the edges, or without heuristics. Due to a strong...
Persistent link: https://www.econbiz.de/10005868145
For the reliable communication network design (RCND) problem links areunreliable and for each link several options are available with dierent reliabilitiesand costs. The goal is to nd a cost-minimal communicationnetwork design that satises a pre-dened overall reliability constraint.This paper...
Persistent link: https://www.econbiz.de/10005868148
This paper presents an investigation into the properties of the optimal communication spanningtree (OCST) problem. The OCST problem nds a spanning tree that connects all nodesand satises their communication requirements for a minimum total cost. The paper comparesthe properties of randomly...
Persistent link: https://www.econbiz.de/10005868180
The most important element in the design of a decoder-based evolutionary algorithmis its genotypic representation. The genotype-decoder pair must exhibit efficiency, locality, and heritability to enable effective evolutionary search.[...]
Persistent link: https://www.econbiz.de/10005868212
This report provides a spatial representation of hospital geography in Iowa and of the decisions of patients to … patronize hospitals. It begins with a brief analysis of hospital proximity and hospital proximity’s relationship to population … distributions and existing hospital capacity. This is followed with a discussion of hospital capacity as a proxy for the supply of …
Persistent link: https://www.econbiz.de/10009360854
. Prior to 2001, each country hadsimilar policies, organisational structures for hospital care, and levelsof resources. After … is some evidence there was in England,initially, some shuffing of prospective patients to meet specic targetswhich …
Persistent link: https://www.econbiz.de/10009138500
phenotypical correlation between parents and offspring when respecting the absolute order. It is shown that a genetic algorithm …
Persistent link: https://www.econbiz.de/10005840460
Genetic Algorithms (GAs) have shown to fit the complex needs arisung from many tasks of academic optimization for almost 20 years.(...)
Persistent link: https://www.econbiz.de/10005840462
real-world scheduling tends to be a dynamic problem. This paper briefly outlines the application of a genetic algorithm to … the dynamic job shop problem arising in production scheduling. First we sketch a genetic algorithm which can handle … release times of jobs. In a second step a preceding simulation method is used to improve the performance of the algorithm …
Persistent link: https://www.econbiz.de/10005840463
Im vorliegenden Beitrag wird ein genetischer Algorithmus für das Job-Shop-Scheduling-Problem mit einer neuen … Lösungsverhalten des Genetischen Algorithmus durch Einbeziehung eines lokalen Suchverfahrens verbessert. Die Testergebnisse zu … bekannten Benchmarkproblemen zeigen, daß der implementierte Genetische Algorithmus im Vergleich zu anderen Verfahren sehr gute …
Persistent link: https://www.econbiz.de/10005840464