The Complexity of Reverse Engineering Problems for Conjunctive Queries.
Pablo BarcelóMiguel RomeroPublished in: ICDT (2017)
Keyphrases
- conjunctive queries
- engineering problems
- conjunctive query containment
- query evaluation
- np complete
- data complexity
- query answering
- integrity constraints
- conp complete
- engineering design
- conjunctive regular path queries
- query language
- bounded treewidth
- special case
- data exchange
- biological systems
- multiobjective optimization
- query rewriting
- decision procedures
- query containment
- lower complexity
- containment of conjunctive queries
- probabilistic databases
- pspace complete
- computational complexity
- machine learning
- artificial intelligence
- datalog programs
- fixed parameter tractable
- boolean expressions
- query optimization
- regular path queries
- multi objective
- schema mappings
- expressive power
- databases
- decision problems