Graal: A Toolkit for Query Answering with Existential Rules.
Jean-François BagetMichel LeclèreMarie-Laure MugnierSwan RocherClément SipieterPublished in: RuleML (2015)
Keyphrases
- query answering
- data exchange
- data complexity
- conjunctive queries
- data integration
- integrity constraints
- answering queries
- incomplete information
- tuple generating dependencies
- datalog programs
- ontology based data access
- query rewriting
- dl lite
- inconsistent databases
- association rules
- data sets
- schema mappings
- knowledge discovery
- ontology languages
- consistent query answering