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U.S.
Department of Transportation
Data
Federation: Value Proposition
§Transparency of underlying heterogeneity
□Consumer
sees a single uniform interface
□Consumer
doesn’t need to know where the data is stored or how it is stored
§Time-to-market advantage
□Reduces
development time significantly when multiple sources have to be integrated
§Reduced development and maintenance costs
□Develop
integrated view once, and leverage multiple times
□Integrate
disparate data sources without consolidating to a single location
§No consistency issues
□Data
are not replicated