High Performance Query Answering over DL-Lite Ontologies.
Mariano Rodriguez-MuroDiego CalvanesePublished in: KR (2012)
Keyphrases
- dl lite
- query answering
- data exchange
- data complexity
- conjunctive queries
- description logics
- conjunctive query answering
- incomplete information
- data integration
- answering queries
- query rewriting
- integrity constraints
- unions of conjunctive queries
- tight complexity bounds
- expert systems
- schema mappings
- inconsistent databases
- expressive power
- knowledge base
- databases
- database
- xml schema
- xml queries
- knowledge representation
- datalog programs
- data model
- ontology languages
- relational databases
- multi agent systems
- natural language
- ontology based data access