Authorization Views and Conditional Query Containment.
Zheng ZhangAlberto O. MendelzonPublished in: ICDT (2005)
Keyphrases
- query containment
- regular path queries
- answering queries using views
- query rewriting
- conjunctive queries
- query answering
- complexity bounds
- functional dependencies
- containment of conjunctive queries
- regular expressions
- decision procedures
- integrity constraints
- transitive closure
- query optimization
- database
- data complexity
- materialized views
- semistructured data
- conditional probabilities
- complex objects
- data exchange
- database systems