Keyphrases
- theoretical framework
- data integration
- data exchange
- data model
- data transformation
- databases
- data sources
- data management
- query answering
- data warehouse
- data cleaning
- theoretical foundation
- xml data sources
- biological databases
- schema matching
- data extraction
- heterogeneous data
- data warehousing
- business intelligence
- schema mappings
- heterogeneous data sources
- database schema
- xml queries
- data sets
- xml documents
- innovation diffusion theory
- xml schema
- database systems
- relational databases
- query decomposition
- global schema