Rewriting Guarded Negation Queries.
Vince BárányMichael BenediktBalder ten CatePublished in: MFCS (2013)
Keyphrases
- query rewriting
- probabilistic databases
- query processing
- conjunctive queries
- query language
- query evaluation
- query answering
- queries using views
- database queries
- horn clauses
- response time
- query logs
- rewriting rules
- containment of conjunctive queries
- complex queries
- efficient processing
- aggregate queries
- datalog programs
- range queries
- user queries
- database
- incomplete information
- magic sets
- regular path queries
- logic programming
- tree patterns
- query formulation
- deductive databases
- uncertain data
- expressive power