3. The method of claim 1 , wherein the predefined relational database is modeled utilizing an entity-relationship diagram comprising each entity of the predefined relational database and relationships representative of associations between at least two entities of the predefined relational database.
3. The method of claim 1 , wherein the predefined relational database is modeled utilizing an entity-relationship diagram comprising each entity of the predefined relational database and relationships representative of associations between at least two entities of the predefined relational database. 4. The method of claim 3 , further comprising, converting the entity-relationship diagram into a semantic graph to allow the calculating of the global weights and the centrality scores.