Modelling Business Information

9 INFORMATION MODEL QUALITY

In Chapter 1 we started to look into the subject of model quality. In this chapter we will take a more detailed look into model quality. In particular, we will look at three areas that influence the quality of an information or data model: These are:

• genericity and specificity in models;
• three schemes for enforcing or determining the quality of a model:
  • the nine characteristics of a good data model (from Graeme Simsion and Graham Witt²⁰);
  • the six principles of high quality data models (from Matthew West²¹); and
  • the five dimensions of data model quality (from Michael Reingruber and William Gregory²²);
• the layout of models.

GENERICITY AND SPECIFICITY IN MODELS

What has become known as ‘generic information ...