On the complexity of computing peer agreements for consistent query answering in peer-to-peer data integration systems.
Gianluigi GrecoFrancesco ScarcelloPublished in: CIKM (2005)
Keyphrases
- data integration systems
- consistent query answering
- peer to peer
- query answering
- integrity constraints
- conjunctive queries
- data sources
- data exchange
- data integration
- schema mappings
- data mining
- consistent answers
- databases
- computational complexity
- relational databases
- database systems
- database
- efficient computation
- data complexity
- answering queries
- data sets