Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/184558 
Erscheinungsjahr: 
2013
Quellenangabe: 
[Journal:] Foundations of Management [ISSN:] 2300-5661 [Volume:] 5 [Issue:] 3 [Publisher:] De Gruyter [Place:] Warsaw [Year:] 2013 [Pages:] 7-22
Verlag: 
De Gruyter, Warsaw
Zusammenfassung: 
The paper presents a concept and the outline of the implementation of a hybrid approach to modelling and solving constrained problems. Two environments of mathematical programming (in particular, integer programming) and declarative programming (in particular, constraint logic programming) were integrated. The strengths of integer programming and constraint logic programming, in which constraints are treated in a different way and different methods are implemented, were combined to use the strengths of both. The hybrid method is not worse than either of its components used independently. The proposed approach is particularly important for the decision models with an objective function and many discrete decision variables added up in multiple constraints. To validate the proposed approach, two illustrative examples are presented and solved. The first example is the authors' original model of cost optimisation in the supply chain with multimodal transportation. The second one is the two-echelon variant of the well-known capacitated vehicle routing problem.
Schlagwörter: 
hybrid methods
constrained search problems
discrete optimisation
decision support
logistics
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