Distributed Island-based Query Answering for Expressive Ontologies.
Sebastian WandeltRalf MöllerPublished in: Description Logics (2010)
Keyphrases
- query answering
- dl lite
- data exchange
- ontology based data access
- ontology languages
- data integration
- integrity constraints
- data complexity
- conjunctive queries
- transitive roles
- tight complexity bounds
- ontology mappings
- heterogeneous data
- incomplete information
- answering queries
- inconsistent databases
- distributed systems
- semantic web
- query rewriting
- data integration systems
- databases
- multi agent
- description logics
- datalog programs
- cooperative
- knowledge base
- knowledge discovery
- data sets
- query containment
- ontology matching
- knowledge representation
- double exponential
- complexity of query answering
- deductive databases