Answering Conjunctive Queries with Inequalities.
Paraschos KoutrisTova MiloSudeepa RoyDan SuciuPublished in: ICDT (2015)
Keyphrases
- conjunctive queries
- query answering
- data exchange
- data complexity
- answering queries
- integrity constraints
- query rewriting
- query containment
- data integration
- incomplete information
- decision procedures
- query evaluation
- np complete
- query language
- probabilistic databases
- datalog programs
- regular path queries
- inconsistent databases
- special case
- boolean expressions
- unions of conjunctive queries
- tuple generating dependencies
- databases
- conjunctive query containment
- relational queries
- bounded treewidth
- temporal logic
- data management
- data model
- data analysis