Keyphrases
- distributed systems
- data integration
- data exchange
- databases
- data model
- data sources
- fault tolerant
- distributed environment
- data management
- data sharing
- query answering
- data cleaning
- data warehouse
- data transformation
- biological databases
- distributed database systems
- data extraction
- geographically distributed
- heterogeneous data
- schema mappings
- business intelligence
- data warehousing
- biological data
- mobile agents
- query decomposition
- scientific data management
- data replication
- water resources management
- heterogeneous data sources
- mobile computing
- query rewriting
- schema matching
- privacy preserving
- software engineering
- xml documents
- web services
- global schema
- data integration systems
- information systems
- real world