Efficient top-k query answering using cached views.
Min XieLaks V. S. LakshmananPeter T. WoodPublished in: EDBT (2013)
Keyphrases
- query answering
- query rewriting
- data exchange
- conjunctive queries
- incomplete information
- data integration
- data complexity
- regular path queries
- answering queries
- integrity constraints
- response time
- data integration systems
- inconsistent databases
- data model
- database
- schema mappings
- query answers
- datalog programs
- xml data exchange
- database systems
- databases
- query containment
- query result
- case study
- query relaxation
- ontology based data access
- data sets