Containment for Rule-Based Ontology-Mediated Queries.
Pablo BarcelóGerald BergerAndreas PierisPublished in: PODS (2018)
Keyphrases
- query evaluation
- semantic query
- query processing
- high level query language
- query containment
- efficient processing
- query language
- datalog queries
- conjunctive queries
- owl dl ontologies
- data sources
- domain specific
- tree patterns
- query logs
- domain knowledge
- domain ontology
- response time
- database queries
- semantic annotation
- range queries
- user queries
- web search engines
- query rewriting
- transitive closure
- probabilistic databases
- knowledge base
- database
- semantic web
- complex queries
- expert systems
- unions of conjunctive queries
- web search
- knowledge representation
- rule base
- data model
- owl ontologies
- query terms
- expressive power
- semi automatic
- rule engine
- semantic information
- containment of conjunctive queries