Conjunctive Queries: Unique Characterizations and Exact Learnability.
Balder ten CateVictor DalmauPublished in: ICDT (2021)
Keyphrases
- conjunctive queries
- dnf formulas
- tight complexity bounds
- query answering
- query evaluation
- integrity constraints
- query language
- np complete
- data complexity
- data exchange
- decision procedures
- special case
- query rewriting
- query containment
- probabilistic databases
- datalog programs
- boolean expressions
- uniform distribution
- containment of conjunctive queries
- conjunctive query containment
- relational queries
- queries using views
- learning algorithm
- schema mappings
- data integration
- data model
- pac learning
- boolean functions
- deductive databases
- dl lite
- bounded treewidth
- regular path queries
- data management
- unions of conjunctive queries
- description logics
- xml documents
- data mining
- answering queries using views