Generating Mediation Queries for XML-based Data Integration Systems.
Bernadette Farias LóscioAna Carolina SalgadoPublished in: SBBD (2003)
Keyphrases
- data integration systems
- data sources
- query rewriting
- query answering
- data integration
- heterogeneous data sources
- information integration
- query language
- query interface
- schema mappings
- data model
- regular path queries
- global schema
- database
- query processing
- integrity constraints
- data exchange
- databases
- answering queries
- incomplete information
- relational databases
- data sets
- complex queries
- query evaluation
- query execution
- xpath queries
- query optimization
- response time
- spatial databases
- web search engines
- data management
- query containment