1. Entity-Relationship Diagram for Electronic Resource Management NISO/DLF Workshop on Standards for Electronic Resource Management 10 May 2002 Nathan D.M. Robertson Database Analyst/Programmer Sheridan Libraries, Johns Hopkins University nate@jhu.edu

2. The "Information Engineering" Notation for Entity-Relationship Modeling A person occupies exactly one room. A room is occupied by zero or many persons. A room is in exactly one building. A building contains one or many rooms.

3. Entity-Relationship Diagram for Electronic Resource Management NISO/DLF Workshop, 10 May 2002

4. Entities and Relationships for Description

5. Entities and Relationships for Licensing

6. Entities and Relationships for Access

7. Entity-Relationship Diagram for Electronic Resource Management NISO/DLF Workshop, 10 May 2002 Nathan D.M. Robertson Database Analyst/Programmer Sheridan Libraries, Johns Hopkins University nate@jhu.edu