Applications of Ordinal Ranks to Flexible Query Answering.
Lucie UrbanovaVilém VychodilLena WiesePublished in: SUM (2012)
Keyphrases
- query answering
- data exchange
- integrity constraints
- data complexity
- conjunctive queries
- data integration
- answering queries
- incomplete information
- query rewriting
- inconsistent databases
- data integration systems
- datalog programs
- query answers
- data management
- transitive roles
- ontology languages
- dl lite
- database schema
- schema mappings
- semantic web
- magic sets
- case study
- ontology based data access
- xml data exchange