Answer Counting Under Guarded TGDs.
Cristina FeierCarsten LutzMarcin PrzybylkoPublished in: ICDT (2021)
Keyphrases
- answering queries
- query answering
- inclusion dependencies
- data exchange
- tuple generating dependencies
- integrity constraints
- conjunctive queries
- schema mappings
- query answers
- dl lite
- data complexity
- functional dependencies
- relational databases
- fixed point
- finite sets
- data integration
- databases
- query processing
- data dependencies
- incomplete information
- consistency checking
- probabilistic databases
- relational model
- inconsistent databases
- decision procedures
- first order logic
- query rewriting
- inference rules
- query evaluation
- database systems