Diversity of Answers to Conjunctive Queries (short paper).
Timo Camillo MerklReinhard PichlerSebastian SkritekPublished in: AMW (2023)
Keyphrases
- conjunctive queries
- queries using views
- query answering
- query evaluation
- integrity constraints
- data complexity
- np complete
- query language
- query answers
- special case
- query rewriting
- decision procedures
- data exchange
- probabilistic databases
- datalog programs
- boolean expressions
- deductive databases
- unions of conjunctive queries
- bounded treewidth
- query containment
- dl lite
- schema mappings
- tight complexity bounds
- conjunctive regular path queries
- complexity of query answering
- data mining
- containment of conjunctive queries
- tuple generating dependencies
- regular expressions
- data model