Direct Access for Conjunctive Queries with Negations.
Florent CapelliOliver IrwinPublished in: ICDT (2024)
Keyphrases
- conjunctive queries
- query evaluation
- query answering
- np complete
- integrity constraints
- data complexity
- query language
- query rewriting
- special case
- data exchange
- query containment
- probabilistic databases
- decision procedures
- conjunctive regular path queries
- queries using views
- regular path queries
- incomplete information
- expressive power
- datalog programs
- knowledge representation
- np hard
- bounded treewidth
- boolean expressions
- unions of conjunctive queries
- data sets
- conjunctive query containment
- database
- database schema
- database design
- database systems
- conp complete