DL Techniques for Intensional Query Answering in OODBs.
Sonia BergamaschiClaudio SartoriMaurizio VinciniPublished in: KRDB (1995)
Keyphrases
- query answering
- data integration
- transitive roles
- conjunctive queries
- dl lite
- object oriented databases
- object oriented database systems
- data exchange
- data complexity
- incomplete information
- tight complexity bounds
- description logics
- integrity constraints
- conjunctive query answering
- data management
- answering queries
- query evaluation
- data model
- exptime complete
- ontology languages
- query rewriting
- unions of conjunctive queries
- data warehouse
- query containment
- databases
- inconsistent databases
- data sources
- database systems
- query answers
- datalog programs
- special case
- multi agent systems
- regular path queries
- decision procedures
- computational complexity
- tuple generating dependencies
- relational model