Keyphrases
- data integration
- data exchange
- data model
- data sources
- databases
- data management
- data warehouse
- query answering
- data cleaning
- heterogeneous data
- data transformation
- biological databases
- data sharing
- query decomposition
- biological data
- data extraction
- schema mappings
- database schema
- information systems
- data sets
- life sciences
- real world
- query rewriting