A conceptual data model can be expressed using a graphical notation, such as an entity-relationship diagram (ERD), or a textual notation, such as a data dictionary. Add your perspective ...

Abstract Entity relationship diagram (ERD) is one of the most widely used technique for data modeling. An ERD developed during the conceptual data modeling phase of the database development process is ...

This paper presents an ATL-based automatic generator of the initial conceptual database model. The implemented generator takes the detailed UML business activity diagram as the source business model ...

An enterprise conceptual data model is often seen as a high mountain to be climbed, a journey that will last a lifetime. People have visions of 10 feet or more of wall in the corporate offices ...

Deliverable A. Basic Conceptual Data Modeling: In the basic conceptual data modeling task, I create an entity-relationship diagram using two entities: CLASSROOM and COURSE. Each entity has its ...

The data models were designed iteratively and incrementally during the project—requirements inform and update the conceptual data model. Based on the conceptual data model, physical data models are ...