Rewriting Ontological Queries into Small Nonrecursive Datalog Programs.
Georg GottlobThomas SchwentickPublished in: KR (2012)
Keyphrases
- datalog programs
- recursive queries
- datalog queries
- magic sets
- conjunctive queries
- magic sets transformation
- query evaluation
- inconsistent databases
- query answering
- query containment
- deductive databases
- fixpoint
- data complexity
- query language
- query processing
- query rewriting
- logic programs
- response time
- database
- aggregate queries
- query answers
- knowledge representation
- regular path queries