Information Modeling and Relational Databases, 2nd Edition

3.6. Summary

The following criteria are desirable characteristics for any language to be used for conceptual modeling: expressibility, clarity, simplicity, orthogonality, semantic stability, semantic relevance, validation mechanisms, abstraction mechanisms, and formal foundation.

Object-Role Modeling was designed with these criteria in mind. In particular, its omission of the attribute concept from base models leads to greater stability and simplicity, while facilitating validation through verbalization and population.

With large-scale business domains, the UoD is divided into convenient modules, the conceptual schema design procedure is applied to each, and the resulting subschemas are integrated into the global conceptual schema. The CSDP ...