Efficient Top-k Query Answering through its Top-N Rewritings Using Views.
Wissem LabbadiJalel AkaichiPublished in: PIKM@CIKM (2015)
Keyphrases
- query answering
- query rewriting
- regular path queries
- conjunctive queries
- data exchange
- data complexity
- queries using views
- view definitions
- answering queries using views
- integrity constraints
- query containment
- data integration
- incomplete information
- materialized views
- datalog programs
- view selection
- answering queries
- unions of conjunctive queries
- query answers
- dl lite
- query optimization
- databases
- graph databases
- database
- data management
- decision procedures
- regular expressions
- functional dependencies
- data sets