Conjunctive Query Answering in Probabilistic Datalog+/- Ontologies.
Georg GottlobThomas LukasiewiczGerardo I. SimariPublished in: RR (2011)
Keyphrases
- dl lite
- query answering
- data complexity
- transitive roles
- ontology languages
- description logics
- ontology based data access
- expressive power
- dl programs
- combined complexity
- deductive databases
- integrity constraints
- data exchange
- conjunctive queries
- query language
- first order logic
- databases
- semantic web
- model theoretic
- exptime complete
- computational complexity
- data integration
- knowledge representation
- np complete
- relational algebra
- logic programming
- owl dl
- relational databases
- database systems
- knowledge base