The Object Model

• Derived from problem statement
• Represents static structure
• Organized into workable pieces
• Classes, relationships and behavior
• Knowledge Sources
  • Problem Statement
  • Expert
  • General
• Promotes Interaction in Knowledge Gathering
• Iterative Processes

Defining an Object Model

• Identify Objects and Classes
• Prepare Description for Each Entity (Data Dictionary)
• Identify Associations and Aggregations
• Organize and Simplify Using Inheritance
• Iterate and Refine the Model
• Group Classes Into Modules

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