A top-down query processing method for first order deductive databases under the disjunctive well-founded semantics (DWFS) is presented. The method is based upon a characterisation...
The entity–relationship (ER) model, a powerful means for business and data modeling, needs to be enriched with new semantics as the real world changes and its understanding impr...
We present a new, high-level approach for the specification of model-to-model transformations based on declarative patterns. These are (atomic or composite) constraints on triple ...
OCL is a rich-syntax language for expressing integrity rules and many business rules can be expressed using OCL. On the other hand, UML/OCL is a mainstream modeling technology and ...
With the success of model-driven development as well as component-based and service-oriented systems, models of software architecture are key artefacts in the development process. ...