= Entity-Relationship Model AI Usage =

== AI Service ==
Name: ChatGPT  
URL: https://chat.openai.com  
Type: Large Language Model (LLM)

== Usage Description ==
The AI tool was used to review and refine the initial ER model, verify entity relationships, validate cardinalities, and ensure compliance with the ER modeling rules taught in the course.

== Final Result ==
The final ER model includes clearly defined entities, relationships, and attributes, aligned with the project requirements and course notation.

== AI Usage Log ==
The AI was consulted iteratively to:
 * Validate entity selection
 * Improve naming conventions
 * Verify relationship cardinalities
 * Ensure no foreign keys were modeled directly in the ER diagram