Patent Document ID: 8412746
Application ID: 11026358

Base Claim:
1. A system, implemented in a data processing system, for managing and querying a plurality of inter-related data sources, the system comprising: an interface to the plurality of inter-related data sources of diverse types, wherein each of the plurality of inter-related data sources has a corresponding schema that describes a corresponding data structure of a corresponding data source; a schema generator communicating with said interface, wherein the schema generator generates a federated schema that describes structures of the plurality of inter-related data sources and inter-relationships of the plurality of inter-related data sources, and wherein the schema generator further modifies the federated schema over time as the plurality of inter-related data sources undergo changes; a query generator communicating with said schema generator, wherein the query generator generates a query for the federated schema; and a storage device in communication with the data processing system, the storage device operable to store the query.

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Claim 2:
2. The system of claim 1 further comprising a query engine communicating with said interface, wherein the query engine executes the query to the federated schema and for returning query results.