Optimizing Reformulation-based Query Answering in RDF.
Damian BursztynFrançois GoasdouéIoana ManolescuPublished in: EDBT (2015)
Keyphrases
- query answering
- data exchange
- data integration systems
- data complexity
- conjunctive queries
- data integration
- incomplete information
- semantic web
- integrity constraints
- ontology mappings
- ontology languages
- answering queries
- data model
- inconsistent databases
- open world
- relational data
- metadata
- query rewriting
- databases
- dl lite
- rdf data
- linked data
- xml schema
- data sources
- schema mappings
- knowledge base
- query answers
- rdf graphs
- knowledge representation
- expert systems
- query containment
- data mining