On the Succinctness of Query Rewriting over OWL 2 QL Ontologies with Shallow Chases.
Stanislav KikotRoman KontchakovVladimir V. PodolskiiMichael ZakharyaschevPublished in: CoRR (2014)
Keyphrases
- query rewriting
- ontology languages
- query answering
- data complexity
- conjunctive queries
- dl lite
- semantic web
- ontology based data access
- owl ontologies
- data exchange
- owl dl
- description logics
- query language
- knowledge representation
- data integration
- query optimization
- knowledge base
- modal logic
- incomplete information
- heterogeneous data
- query evaluation
- query execution
- integrity constraints
- natural language processing
- xml queries
- xpath queries
- data types
- schema mappings
- spatial databases
- np complete
- xml data
- data model
- database systems