Complexity and Approximation of Fixing Numerical Attributes in Databases Under Integrity Constraints.
Leopoldo E. BertossiLoreto BravoEnrico FranconiAndrei LopatenkoPublished in: DBPL (2005)
Keyphrases
- integrity constraints
- numerical attributes
- databases
- inclusion dependencies
- null values
- functional dependencies
- integrity checking
- database integrity
- query answering
- numerical data
- rule induction
- relational databases
- consistent query answering
- conjunctive queries
- consistent answers
- knowledge discovery
- xml documents
- foreign key
- inconsistent databases
- database
- attribute values
- data sources
- database systems
- machine learning