A decentralized infrastructure for query answering over distributed ontologies.
Peter HaaseYimin WangPublished in: SAC (2007)
Keyphrases
- query answering
- dl lite
- distributed systems
- data exchange
- ontology based data access
- ontology languages
- data integration
- integrity constraints
- multi agent
- conjunctive queries
- peer to peer
- transitive roles
- cooperative
- data complexity
- incomplete information
- ontology mappings
- heterogeneous data
- query rewriting
- answering queries
- description logics
- query answers
- data integration systems
- query relaxation
- semantic web
- knowledge base
- databases
- decision making
- datalog programs
- information integration
- schema mappings
- knowledge discovery
- expert systems
- complexity of query answering