Case Name:			ID:		Priority:
Brief Description:
Actor:
Trigger: Type External Temporal
Preconditions:
Normal Course				Information for Steps
Alternative Course(s):
Postconditions:
Exceptions:
Summary: Inputs Source Outputs Source

J. Create a set of use cases for a university library bor- rowing system. (Do not worry about catalogue search- ing, etc.) The system will record the books owned by the library and will record who has borrowed what books. Before someone can borrow a book, he or she must show a valid ID card that is checked to ensure that it is still valid against the student database main- tained by the registrar's office (for student borrowers) the faculty/staff database maintained by the person- nel office (for faculty/staff borrowers), or against the library's own guest database (for individuals issued a "gues" card by the library). The system must also check to ensure that the borrower does not have any overdu