Succinctness of Query Rewriting in OWL 2 QL: The Case of Tree-like Queries.
Meghyn BienvenuStanislav KikotVladimir V. PodolskiiPublished in: CoRR (2014)
Keyphrases
- query rewriting
- tree patterns
- query answering
- query optimization
- query language
- conjunctive queries
- query containment
- xml queries
- spatial databases
- data integration
- xml query languages
- query execution
- complex queries
- query evaluation
- modal logic
- xpath queries
- query result
- query processing
- index structure
- integrity constraints
- tree structure
- data exchange
- data types
- structural features
- xml data
- np complete
- data structure