Keyphrases
- data integration
- data exchange
- data sources
- data model
- databases
- data management
- data warehouse
- data sharing
- data transformation
- data cleaning
- query answering
- heterogeneous data
- scientific data management
- heterogeneous data sources
- schema mappings
- data extraction
- biological databases
- data warehousing
- database integration
- query decomposition
- data from multiple sources
- business intelligence
- biological data
- query rewriting