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Writing Effective Business Rules by Graham Witt

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Chapter 6

Fact models

This chapter describes

• why a fact model should be built to support rule statement writing and other aspects of system specification;

• what a fact model consists of, and how it differs from other models and forms of documentation;

• how nouns, possibly qualified by adjectives, or (occasionally) other words, can be can be selected as business terms, defined and given an appropriate place in the taxonomy of business terms; and

• how fact types can be used to relate business terms (along with verbs and possibly prepositions).

6.1 Fact models: an overview

In this section, we look at

1. why a fact model is useful,

2. how a fact model differs from other models and forms of documentation, and

3. what a fact model consists ...

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