D'Souza, D., Sane, A., and Birchenough, A.: First-Class Extensibility for UML - Packaging of Pofiles, Stereotypes, Patterns in France, R. and Rumpe, B.: Proceedings <<UML>>'99 - The Unified Modeling Language, LNCS 1723, pages 265 - 277, Springer-Verlag , Berlin, Heidelberg, New York (1999)  Home/Search   Document Not in Database   Summary   Related Articles

....allow for the specification of integrity constraints. The presented metamodel extensions are uncontrolled, because meta associations exist that are not refinements of valid UML meta associations. An approach to use the UMLs package concept to define multiple metamodel extensions is described in [4]. It does not include a discussion of whether controlled or uncontrolled extensions are to be supported as it focusses on the addition and redefinition of attributes in submetaclasses and the joining of two metaclasses in cases of multiple package inheritance. 3.6. Restrictive metamodel ....

D'Souza, D., Sane, A., and Birchenough, A.: First-Class Extensibility for UML - Packaging of Pofiles, Stereotypes, Patterns in France, R. and Rumpe, B.: Proceedings <<UML>>'99 - The Unified Modeling Language, LNCS 1723, pages 265 - 277, Springer-Verlag , Berlin, Heidelberg, New York (1999)

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