Data Exchange: Semantics and Query Answering.
Ronald FaginPhokion G. KolaitisRenée J. MillerLucian PopaPublished in: ICDT (2003)
Keyphrases
- data exchange
- query answering
- schema mappings
- inconsistent databases
- data integration systems
- data integration
- closed world assumption
- query answers
- open world
- query containment
- closed world
- conjunctive queries
- data complexity
- answering queries
- data management
- database schema
- query rewriting
- xml data exchange
- logic programming
- formal semantics
- xml queries
- dl lite
- xml schema
- databases
- target schema
- consistent answers
- integrity constraints
- consistent query answering
- knowledge representation
- data model
- data mining