Query Optimization for Ontology-Mediated Query Answering.
Wafaa El HusseiniCheikh Brahim El VaighFrançois GoasdouéHélène JaudoinPublished in: WWW (2024)
Keyphrases
- query optimization
- query answering
- ontology based data access
- query rewriting
- data exchange
- query containment
- database systems
- cost model
- conjunctive queries
- answering queries
- query processing
- multidatabase systems
- data complexity
- data integration
- integrity constraints
- incomplete information
- semantic web
- knowledge base
- datalog programs
- query execution
- xml data
- domain ontology
- knowledge representation
- dl lite
- regular path queries
- query plan
- databases
- data model
- ontology languages
- index structure
- execution plan
- query answers
- recursive queries