Causes for Query Answers from Databases, Datalog Abduction and View-Updates: The Presence of Integrity Constraints.
Babak SalimiLeopoldo E. BertossiPublished in: CoRR (2016)
Keyphrases
- integrity constraints
- query answering
- query answers
- databases
- consistent answers
- inclusion dependencies
- inconsistent databases
- deductive databases
- conjunctive queries
- null values
- data complexity
- datalog programs
- functional dependencies
- probabilistic databases
- consistent query answering
- database
- knowledge discovery
- xml documents
- data exchange
- data cleaning
- database systems
- relational databases
- query evaluation
- schema mappings
- data model
- aggregate queries
- knowledge base
- data integration
- logic programming
- multi dimensional
- text classification
- dl lite
- expressive power
- query rewriting
- xml schema