UML provides very little support for modelling evolvable or reusable specifications and designs. To cope with this problem, the UML needs to be extended with support for reuse and ...
The Uni ed Modeling Language UML is rapidly emerging as a de-facto standard for modelling OO systems. Given this role, it is imperative that the UML needs a well-de ned, fully expl...
Andy Evans, Robert B. France, Kevin Lano, Bernhard...
The object Constraint Language (OCL), which forms part of the UML set of modelling notations, is a precise, textual language for expressing constraints that cannot be shown diagram...
Ali Hamie, Franco Civello, John Howse, Stuart Kent...
The Unified Modelling Language (UML) ostensibly assumes a four level (meta) modelling framework, both for its definition and for the conceptual context in which its users operate. ...
The embedded real-time software systems encountered in applications such as telecommunications, aerospace, and defense typically tend to be large and extremely complex. It is cruc...