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Modeling Object Behavior: To use methods or rules or both?

Autoren: G. Kappel, M. Schrefl
Paper: Kapp96a (1996)
Zitat: Roland R. Wagner, Helmut Thoma (eds.): Database and Expert Systems Applications, Proceedings of the Seventh International Conference (DEXA '96), Zurich, Switzerland, September 1996, Springer Verlag, Lecture Notes in Computer Science, LNCS Vol. 1134, pp. 584-602, ISBN 3-540-64656-X, 1996.
Ressourcen: Kopie  (Senden Sie ein Email mit  Kapp96a  als Betreff an dke.win@jku.at um diese Kopie zu erhalten)


Active object-oriented databases provide two means to model behavior of objects: (1) methods and (2) rules. In many cases methods and rules can be used interchangeably to achieve the same effect. If clear design guidelines are missing and comparable situations are realized differently, information systems can become hard to understand and hard to maintain. Moreover, it is known that large sets of rules tend to lead to non-transparent systems. This paper shows that high-level semantic modeling can significantly help to tackle the rule-method problem.