Generalized schema-mappings: from termination to tractability.
Bruno MarnettePublished in: PODS (2009)
Keyphrases
- schema mappings
- data exchange
- data integration
- database schema
- query answering
- high level specifications
- xml data exchange
- schema evolution
- np complete
- database
- constraint satisfaction
- databases
- high level declarative
- conjunctive queries
- computational complexity
- finite sets
- building blocks
- decision support system
- data management
- xml schema
- data model