Data Exchange in Datalog Is Mainly a Matter of Choice.
Domenico SaccàEdoardo SerraPublished in: Datalog (2012)
Keyphrases
- data exchange
- query answering
- data integration
- schema mappings
- data complexity
- conjunctive queries
- unions of conjunctive queries
- data management
- datalog programs
- answering queries
- expressive power
- deductive databases
- query rewriting
- query evaluation
- inconsistent databases
- tuple generating dependencies
- transitive closure
- data analysis
- database systems
- dl lite
- database
- xml data exchange
- integrity constraints
- data warehouse
- data sources
- query language
- computational complexity
- case study
- databases