entity-relationship diagram for electronic resource management niso/dlf workshop on standards for...

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

person roomoccupies/is occupied by

0 or many

0 or 1

1 or many

exactly 1

building

is in/contains

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.

print version

publication electronic version collection acquisition

user groupavailable tolicense/

terms of use

library

participatinglibrary

user

member

organization

publishes

provides

vendslicenses

Entity-Relationship Diagram for Electronic Resource ManagementNISO/DLF Workshop, 10 May 2002

Entities and Relationshipsfor Description

print version

publicationelectronic

versioncollection

organization

publishes

provides

Entities and Relationships for Licensing

electronicversion

collection acquisition

license/terms of use library

participatinglibrary

organization

provides

vendslicenses

user grouplicense/

terms of use

library

user

(licensed thing orthings)

organization

provides

available to

member

Entities and Relationships for Access

print version

publication electronic version collection acquisition

user groupavailable tolicense/

terms of use

library

participatinglibrary

user

member

organization

publishes

provides

vendslicenses

Entity-Relationship Diagram for Electronic Resource ManagementNISO/DLF Workshop, 10 May 2002

Nathan D.M. RobertsonDatabase Analyst/ProgrammerSheridan Libraries, Johns Hopkins Universitynate@jhu.edu