entity-relationship diagram for electronic resource management niso/dlf workshop on standards for...
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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
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 [email protected]