The MDA approach aims to ease software maintenance faced with platform and business evolution. In this approach, main development artifacts, i.e. models, are defined with the Meta...
We are developing a virtual city system with a model that consists of virtual architectural objects and virtual creatures, geographically overlaid onto the real world. People who ...
: This paper brings together two research areas, i.e. “Data Warehouses” and “Temporal Databases”, involving representation of time. Looking at temporal aspects within a dat...
Considerable research effort has recently been devoted to the design of structured peer-to-peer overlays, a term we use to encompass Content-Addressable Networks (CANs), Distribut...
The “Object Constraint Language” (OCL) offers a formal notation for constraining model elements in UML diagrams. OCL consists of a navigational expression language which, for ...
Rolf Hennicker, Hubert Baumeister, Alexander Knapp...