A Dataflow Graph Transformation Language and Query Rewriting System for RDF Ontologies.
Marianne ShawLandon DetwilerJames F. BrinkleyDan SuciuPublished in: SSDBM (2012)
Keyphrases
- query rewriting
- dl lite
- rdf graphs
- semantic web
- query answering
- ontology based data access
- conjunctive queries
- query optimization
- ontology languages
- description logics
- heterogeneous data
- spatial databases
- query language
- knowledge base
- knowledge representation
- databases
- topic maps
- metadata
- graph structure
- graph databases
- complex queries
- data integration
- relational data
- xpath queries
- structured data
- query execution
- xml queries
- data sources
- query result
- incomplete information
- database systems
- information integration
- data model
- rdf data
- response time