AS-IS Model
Functional Decomposition Model


Entity Cross Check Matrix

  Warehouse Department Procurement Department
Activity 1.1 Receiving a list of items to be purchased from warehouse department  
Activity 1.2   Preparing a local purchase order for the suppliers based on list of items.
Activity 1.3 Validating the information in LPO to avoid errors Validating the information in LPO
Activity 1.4   Checking the suppliers details to ensure accuracy of LPO
Activity 1.5   Trigger fulfilment of the LPO
Activity 1.6   Track status of each LPO

Part 2
Entity Relationship Model

3- Way Matching
AS IS Process                                                                                                            TO BE Process





System Support

Works Cited
Chan, J. “The Enterprise Model- AN Enterprise Information Management Roadmap.” Proceedings of American Society of Business and Behavioral Sciences, vol. 10, no. 1, 2003, pp. 197-201.
Chan, J. “Building Data Warehouses Using the Enterprise Modeling Framework.” Proceedings of the Americas Conference on Informational Systems, August 2003, pp. 2441-2448.
Laudon, Kenneth, and Jane Laudon. Management Information Systems: Managing the Digital Firm (15th Ed.) Pearson, 2017.