Keyphrases
- data exchange
- data integration
- query answering
- lingua franca
- xml queries
- xml schema
- schema mappings
- data management
- data interchange
- data model
- web services
- metadata
- open standards
- data sources
- xml views
- xml data management
- xml data exchange
- data warehousing
- xml data
- database schema
- data transformation
- query processing
- database systems
- databases