An Update on Query Answering with Restricted Forms of Negation.
Víctor Gutiérrez-BasultoYazmín Angélica Ibáñez-GarcíaRoman KontchakovPublished in: RR (2012)
Keyphrases
- query answering
- datalog programs
- data exchange
- integrity constraints
- closed world
- magic sets
- containment of conjunctive queries
- data integration
- conjunctive queries
- data complexity
- answering queries
- incomplete information
- deductive databases
- update propagation
- query rewriting
- logic programming
- logic programs
- regular path queries
- data management
- database
- open world
- consistent query answering
- data sets
- databases
- tuple generating dependencies
- data mining
- replicated databases
- query answers
- dl lite
- case study