1. Ontology-based Cooperation of Information Systems Contributions to Database-to-Ontology Mapping and XML-to-Ontology Mapping Raji GHAWI 15/03/2010 2. Outline Introduction…
DATA RESOURCE MANAGEMENT Data Hierarchy in a Computer System Entitities and Attributes Data redundancy Program-Data dependence Lack of flexibility Poor security Lack of data-sharing…
E-R Model to Relational Model E-R Model to Relational Model E-R Model to Relational Model Entity Sets to Tables Main Idea Each entity set maps to a new table Each attribute…