Functional modeling in CISD

The following is a discussion agenda on Functional Modeling in Contemporary Information Systems Development (CISD):

1. Business Processing with activity diagrams
• Activity diagram elements and guidelines on their creation
2. Use Case Descriptions and Use Case Diagrams
• Types of Use Cases
• Elements of a Use Case Description
• Guidelines for creating Use Case Descriptions
• Use Case Diagrams
• Actor
• Association
• Use Case
• Subject Boundary
3. Creating Use Case Descriptions and Use Case Diagrams
• Identify the major Use Cases
• Expand the major Use Cases
• Confirm the major Use Cases
• Create the Use Case Diagram
4. Refining Project Sze and Efforts 

Some of the main ideas of functinal modeling are captured in the following digram, which is explained in lecture:

Reference
Dennis, A., Wixom, B.H. and Tegarden, D. (2005) Systems Analysis and Design with UML Version 2.0, Wiley