Chapter 10 The REA Approach to Business Process Modeling. Objectives for Chapter 10. Recognize the economic foundations of the resources, events, and agents (REA) model. Understand the key differences between traditional entity relationship modeling and REA modeling.
Recognize the economic foundations of the resources, events, and agents (REA) model.
Understand the key differences between traditional entity relationship modeling and REA modeling.
Understand the structure of an REA diagram.
Be able to create an REA diagram by applying the view modeling steps to a business case.
Be able to create an entity-wide REA diagram by applying the view integration steps to a business case.
Basic REA Model
REA Model showing Duality of a Give and Receive Exchange
Arrangement of Events Entities in Order of Occurrence
Order of Events
Link Tables in an REA Diagram Entities
Using the customer as an example, these data include:
Customer name Customer address Customer telephone number
Amount owed by customer
Value of total sales to date
Terms of trade offered
Customer credit rating
Damaged goods record
On-time payment record
Customer volume record
Past Due Accounts