Automatically generating OLAP schemata from conceptual graphical models
Proceedings of the 3rd ACM international workshop on Data warehousing and OLAP
Specification of management views in information warehouse projects
Information Systems
Online CASE tool for collaborative software modelling
Proceedings of the 11th International Conference on Information Integration and Web-based Applications & Services
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Commercial off-the-shelf repository management systems claim to provide a solid basis for building CASE tools by offering special meta-data management facilities (like versioning, configuration management, long transactions support). Another important area of application for these systems is the management of meta-data in data warehouse environments. The ISO-IRDS standard defines a framework for the modeling of repository data. This paper describes a case study that implements a generic graphical modeling tool (GraMMi) on top of such a repository managment system using the IRDS standard to guide the design process. To show the feasibility of our approach, we present a case study where GraMMi is used for the conceptual design of data warehouse models based on a specific modeling technique. The paper describes the overall system architecture, the object-oriented design (including the repository schema) and the user interface design. Furthermore, we present experiences from the implementation of the system using an industry-standard platform (Softlab Enabler as the repository system and Visual C++ for implementing the modeling tool).