ER & ORM : ER

P03 Entity Relationship modeling from an ORM perspective: Part 3

admin — Fri, 23 Nov 2007 17:18:49 GMT

This article first appeared in the April 2000 issue of the Journal of Conceptual Modeling.

This paper discusses the Information Engineering (IE) notation for ER. It is the third in a series of articles examining data modeling in the Entity relationship (ER) approach from the perspective of Object Role Modeing (ORM).

P02 Entity Relationship modeling from an ORM perspective: Part 2

admin — Fri, 23 Nov 2007 17:17:58 GMT

This article first appeared in the February 2000 issue of the Journal of Conceptual Modeling.

It is the second in a series of articles examining data modeling in the Entity relationship (ER) approach from the perspective of Object Role Modeing (ORM). This paper completes a basic review of the Barker notation for ER.

P01 Entity Relationship modeling from an ORM perspective: Part 1

admin — Fri, 23 Nov 2007 17:16:57 GMT

This is a revised version of an article that first appeared in the December 1999 issue of the Journal of Conceptual Modeling.

This paper is the first in a series of articles examining data modeling in the Entity relationship (ER) approach from the perspective of Object Role Modeing (ORM). After a brief historical introduction, this article examines basic aspects of the Barker notation for ER.