Constant delay enumeration for conjunctive queries: a tutorial.
Christoph BerkholzFabian GerhardtNicole SchweikardtPublished in: ACM SIGLOG News (2020)
Keyphrases
- conjunctive queries
- query answering
- np complete
- query evaluation
- integrity constraints
- data complexity
- query language
- special case
- data exchange
- query rewriting
- probabilistic databases
- query containment
- decision procedures
- containment of conjunctive queries
- search space
- schema mappings
- regular path queries
- boolean expressions
- dl lite
- conjunctive regular path queries
- datalog programs
- incomplete information
- unions of conjunctive queries
- expressive power
- deductive databases
- conjunctive query containment
- query optimization