Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/289082 
Erscheinungsjahr: 
2020
Quellenangabe: 
[Journal:] Journal of Business Economics [ISSN:] 1861-8928 [Volume:] 90 [Issue:] 5-6 [Publisher:] Springer [Place:] Berlin, Heidelberg [Year:] 2020 [Pages:] 679-711
Verlag: 
Springer, Berlin, Heidelberg
Zusammenfassung: 
We study the problem to simultaneously decide on the structures and the schedules for an entire portfolio of flexible projects. The projects are flexible as alternative technologies and procedures can be used to achieve the respective project task. The choice between different technologies and procedures affects the activities to be implemented and thus the precedence relations, i.e., the structure of the project. The different projects have given due dates with specific delay payments and compete for scarce resources. In this situation, project structure decisions and scheduling decisions are highly intertwined and have to be made simultaneously in order to achieve the assumed objective of minimizing the delay payments for the entire project portfolio. The problem is formally stated and solved via novel and problem-specific genetic algorithms. The performance of the new algorithms is evaluated with respect to speed and accuracy in a systematic and comprehensive numerical study.
Schlagwörter: 
Multi-project scheduling
Flexible projects
Genetic algorithms
RCPSP
RCMPSP
JEL: 
C61
M11
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Dokumentart: 
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Dokumentversion: 
Published Version

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