1.Draw a Domain Model using the UML class diagram notation. Show concepts, associations and attributes 2. Create a System Sequence Diagram in the UML notation.

Use Case Name: Prepare Issue Scope:Small Bytes System Level:User Goal Primary Actor:Editor-in-chief Preconditions:... Main Success Scenario: 1. Editor-in-chief wants to prepare a future issue. 2. Editor-in-chief specifies the month/year and issue number. 3. System creates the issue and presents the candidate list of subject areas. 4. Editor-in-chief selects a subject area from the list. 5. System records the selected subject area for the issue and presents the accumulating list of subject areas selected. Steps 4-5 are repeated until Editor-in-chief indicates done. 6. System presents the list of candidate articles together with their subject areas. The articles are selected from the "articles in press" queue according to their subject areas which match with the subject areas of the issue being prepared. 7. Editor-in-chief selects an article from the candidate article list. 8. System records the selected article for the issue and presents the accumulating list of articles selected for the issue. System records one-year free subscription to the authors of the selected article. If they already have a subscription, then the expiration date is extended for a year. Steps 7-8 are repeated until Editor-in-chief indicates done. 9. System logs the completed issue.

Extensions: Post conditions:...