Keyphrases
- data integration
- data model
- data exchange
- data management
- query answering
- databases
- data sources
- answering queries
- data warehouse
- data sharing
- heterogeneous data
- data cleaning
- biological databases
- business intelligence
- database integration
- data extraction
- data transformation
- database schema
- heterogeneous data sources
- schema mappings
- data warehousing
- query decomposition
- biological data
- query rewriting
- data integration systems
- data sets
- information retrieval