A Structured Approach for Cooperative Query Answering.
Wesley W. ChuQiming ChenPublished in: IEEE Trans. Knowl. Data Eng. (1994)
Keyphrases
- query answering
- cooperative
- data exchange
- integrity constraints
- answering queries
- incomplete information
- data complexity
- conjunctive queries
- data integration
- data integration systems
- inconsistent databases
- dl lite
- structured data
- multi agent systems
- query rewriting
- query containment
- real world
- data management
- query relaxation
- ontology languages
- data model
- query answers
- data mining
- data sets
- magic sets
- xml data exchange