Evaluation of some optimisation techniques for semantic query answering on shared-nothing architecture.
Tomasz Wiktor WlodarczykHan YiXiao YuChunming RongPublished in: Int. J. Space Based Situated Comput. (2012)
Keyphrases
- query answering
- data exchange
- data complexity
- conjunctive queries
- integrity constraints
- data integration
- incomplete information
- answering queries
- dl lite
- inconsistent databases
- query rewriting
- load balancing
- query relaxation
- open world
- data model
- data integration systems
- conceptual model
- business intelligence
- special case