Certain Query Answering in Partially Consistent Databases.
Sergio GrecoFabian PijckeJef WijsenPublished in: Proc. VLDB Endow. (2014)
Keyphrases
- query answering
- databases
- data integration
- data exchange
- consistent answers
- inconsistent databases
- conjunctive queries
- integrity constraints
- data complexity
- answering queries
- data integration systems
- incomplete information
- data sources
- data model
- database
- query rewriting
- inclusion dependencies
- dl lite
- xml data exchange
- datalog programs
- knowledge discovery
- relational databases
- schema mappings
- query answers
- database systems
- data sets
- data warehouse
- consistent query answering
- query relaxation
- open world
- ontology based data access