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Dimensions and dichotomy in metamodeling

Dimensionen und Dichotomie in Metamodellierung
: Geisler, R.; Klar, M.; Pons, C.

Univ. of Bradford:
3rd BCS-FACS Northern Methods Workshop 1998
Ilkley, 1998
BCS-FACS Northern Methods Workshop <1998, Ilkley>
Fraunhofer ISST ()
Dichotomie; dichotomy; formal method; Formale Methode; metamodeling; Metamodellierung; semantics; Semantik

Metamodeling is playing an increasingly important role in object-oriented software engineering. However, most approaches are using metamodels in a very pragmatic way and important conceptual questions are left open. In this paper, an object-oriented metamodeling methodology based on a formal metalanguage is introduced. The methodology allows for the description of all relevant properties of a metamodel, i.e. abstract syntax, static and dynamic semantics. Different kinds of instantiation relations are identified and a dichotomy for the classification of metaentities in intensional and extensional entities is developed. The reflection of the instantiation relations by the metalanguage is shown.