Optimizing SPARQL Query Answering over OWL Ontologies.
Ilianna KolliaBirte GlimmPublished in: J. Artif. Intell. Res. (2013)
Keyphrases
- data sources
- query answering
- owl ontologies
- data integration
- domain ontology
- database schema
- linked data
- data model
- data exchange
- ontology languages
- rdf data
- data complexity
- query rewriting
- schema mappings
- semantic web
- semantic annotation
- databases
- answering queries
- query language
- conjunctive queries
- description logics
- production rules
- integrity constraints
- dl lite
- incomplete information
- relational algebra
- functional dependencies
- database systems
- knowledge base