The entity-relationship model: toward a unified view of data


A data model, called the entity-relationship model, is proposed. This model incorporates some of the important semantic information in the real world. A special diagramatic technique is introduced as a tool for data base design. An example of data base design and description using the model and the diagramatic technique is given. Some implications on data… (More)
DOI: 10.1145/1095277.1095279