Islands and Query Answering for Alchi-ontologies.
Sebastian WandeltRalf MöllerPublished in: IC3K (2009)
Keyphrases
- query answering
- dl lite
- ontology based data access
- ontology languages
- data exchange
- ontology mappings
- data complexity
- data integration
- incomplete information
- conjunctive queries
- transitive roles
- integrity constraints
- answering queries
- semantic web
- query rewriting
- inconsistent databases
- data integration systems
- knowledge representation
- description logics
- knowledge base
- datalog programs
- query answers
- owl dl
- end users
- database
- heterogeneous data
- ontology matching
- information integration
- regular path queries
- open world