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Erschienen in:
1999 | OriginalPaper | Buchkapitel
Constraint Programming in OPL
verfasst von : P. Van Hentenryck, L. Michel, L. Perron, J. -C. Régin
Erschienen in: Principles and Practice of Declarative Programming
Verlag: Springer Berlin Heidelberg
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OPL is a modeling language for mathematical programming and combinatorial optimization problems. It is the first modeling language to combine high-level algebraic and set notations from modeling languages with a rich constraint language and the ability to specify search procedures and strategies that is the essence of constraint programming. In addition, OPL models can be controlled and composed using OPLScript, a script language that simplifies the development of applications that solve sequences of models, several instances of the same model, or a combination of both as in column-generation applications. This paper illustrates some of the functionalities of OPL for constraint programming using frequency allocation, sport-scheduling, and job-shop scheduling applications. It also illustrates how OPL models can be composed using OPLScript on a simple configuration example.