Structural characterizations of schema-mapping languages.
Balder ten CatePhokion G. KolaitisPublished in: ICDT (2009)
Keyphrases
- schema mappings
- data exchange
- data integration
- expressive power
- database schema
- data complexity
- query answering
- high level specifications
- structural information
- finite sets
- databases
- high level declarative
- xml schema
- schema matching
- data management
- xml data exchange
- xml queries
- conjunctive queries
- integrity constraints