Query Rewriting over Shallow Ontologies.
Stanislav KikotRoman KontchakovVladimir V. PodolskiiMichael ZakharyaschevPublished in: Description Logics (2013)
Keyphrases
- query rewriting
- dl lite
- ontology based data access
- query optimization
- query answering
- conjunctive queries
- heterogeneous data
- query execution
- xpath queries
- spatial databases
- xml queries
- natural language processing
- databases
- question answering
- data integration
- complex queries
- information extraction
- data exchange
- description logics
- knowledge representation
- cost model
- information integration
- data representation
- integrity constraints
- np complete
- query language
- keywords
- knowledge base