Rewriting queries using views with negation.
Foto N. AfratiVassia PavlakiPublished in: AI Commun. (2006)
Keyphrases
- rewriting queries using views
- access patterns
- conjunctive queries
- datalog programs
- view selection
- dl lite
- integrity constraints
- deductive databases
- logic programs
- prefetching
- logic programming
- query evaluation
- data complexity
- query answering
- file system
- query language
- description logics
- special case
- web users
- web logs
- query containment
- databases
- data exchange
- data integration
- web usage mining
- knowledge representation
- transitive closure
- horn clauses
- fixpoint
- natural language
- website