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Communication Dans Un Congrès Année : 2009

Rewriting Constraint Models with Metamodels

Résumé

An important challenge in constraint programming is to rewrite constraint models into executable programs calculat- ing the solutions. This phase of constraint processing may require translations between constraint programming lan- guages, transformations of constraint representations, model optimizations, and tuning of solving strategies. In this paper, we introduce a pivot metamodel describing the common fea- tures of constraint models including different kinds of con- straints, statements like conditionals and loops, and other first-class elements like object classes and predicates. This metamodel is general enough to cope with the constructions of many languages, from object-oriented modeling languages to logic languages, but it is independent from them. The rewriting operations manipulate metamodel instances apart from languages. As a consequence, the rewriting operations apply whatever languages are selected and they are able to manage model semantic information. A bridge is created between the metamodel space and languages using parsing techniques. Tools from the software engineering world can be useful to implement this framework.
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Dates et versions

hal-00456824 , version 1 (15-02-2010)

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Raphael Chenouard, Laurent Granvilliers, Ricardo Soto. Rewriting Constraint Models with Metamodels. The eight symposium on abstraction, reformulation, and approximation, Jul 2009, Lake Arrowhead, United States. pp.42-49. ⟨hal-00456824⟩
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