Optimizing query rewriting in ontology-based data access.
Floriana Di PintoDomenico LemboMaurizio LenzeriniRiccardo ManciniAntonella PoggiRiccardo RosatiMarco RuzziDomenico Fabio SavoPublished in: EDBT (2013)
Keyphrases
- ontology based data access
- query rewriting
- query answering
- query optimization
- conjunctive queries
- data integration
- spatial databases
- xml queries
- data exchange
- dl lite
- xpath queries
- data representation
- query result
- query execution
- cost model
- heterogeneous data
- tree patterns
- description logics
- schema mappings
- incomplete information
- integrity constraints
- multi dimensional