Keyphrases
- data integration
- heterogeneous data
- data sharing
- super peer
- heterogeneous data sources
- data sources
- data exchange
- data model
- peer to peer
- data management
- databases
- data warehouse
- query answering
- data transformation
- data cleaning
- biological databases
- schema mappings
- business intelligence
- heterogeneous databases
- biological data
- query decomposition
- database