An Introduction to Description Logics and Query Rewriting.
Roman KontchakovMichael ZakharyaschevPublished in: Reasoning Web (2014)
Keyphrases
- query rewriting
- dl lite
- description logics
- ontology based data access
- query answering
- query optimization
- conjunctive queries
- spatial databases
- knowledge base
- data integration
- xml queries
- xpath queries
- query containment
- query execution
- tree patterns
- query result
- heterogeneous data
- cost model
- database
- query evaluation
- data exchange
- integrity constraints
- database systems
- reasoning tasks
- first order logic
- ontology languages
- np hard
- regular path queries
- unions of conjunctive queries
- databases