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U.S. Department of Transportation
Data
Federation
§Form of data virtualization where data from multiple,
heterogeneous, autonomous
data sources are made accessible to data consumers as if it is contained in one single relational database, by using
on-demand data integration
§Value to
DCM: incorporates data from many sources without issues associated with centralized services, local data experts maintain local
data,
brings data to users rapidly and consistently
brings data to users rapidly and consistently
§Challenges: Interfaces and IP rights must be carefully defined, security