Combining DL-Lite with Spatial Calculi for Feasible Geo-thematic Query Answering.
Özgür L. ÖzçepRalf MöllerPublished in: Description Logics (2012)
Keyphrases
- query answering
- dl lite
- data exchange
- data complexity
- conjunctive queries
- description logics
- conjunctive query answering
- integrity constraints
- query rewriting
- data integration
- answering queries
- incomplete information
- ontology based data access
- first order logic
- schema mappings
- spatial databases
- inconsistent databases
- data sets
- tight complexity bounds
- conceptual modeling
- expressive power
- spatial data
- databases
- unions of conjunctive queries
- data mining