33. The method of claim 32 further comprising generating a database view of the plurality of inter-related data sources, using the federated schema, wherein the database view is formulated in terms of nomenclature of the common ontology model, and wherein generating the query comprises generating the query for the database view.
33. The method of claim 32 further comprising generating a database view of the plurality of inter-related data sources, using the federated schema, wherein the database view is formulated in terms of nomenclature of the common ontology model, and wherein generating the query comprises generating the query for the database view. 36. The method of claim 33 wherein generating the database view comprises updating the database view when the common ontology model is changed.