A Methodology for Data Schema Integration in the Entity Relationship Model


The conceptual design of databases is usually seen as divided into two steps: view modeling, during which user requirements are formally expressed by means of several user oriented conceptual schemata, and schema integration, whose goal is to merge such schemata into a unique global conceptual schema. This paper is devoted to describe a methodology for schema integration. An enriched entity relationship model is chosen as the data model. The integration process consists of three steps: first, several types of conflicts between the different user schemata are checked and solved; second, schemata are merged into a draft integrated schema, that is, third, enriched and restructured according to specific goals.

DOI: 10.1109/TSE.1984.5010294

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@article{Batini1983AMF, title={A Methodology for Data Schema Integration in the Entity Relationship Model}, author={Carlo Batini and Maurizio Lenzerini}, journal={IEEE Transactions on Software Engineering}, year={1983}, volume={SE-10}, pages={650-664} }