The complexity and approximation of fixing numerical attributes in databases under integrity constraints.
Leopoldo E. BertossiLoreto BravoEnrico FranconiAndrei LopatenkoPublished in: Inf. Syst. (2008)
Keyphrases
- integrity constraints
- numerical attributes
- databases
- inclusion dependencies
- database integrity
- null values
- integrity checking
- rule induction
- query answering
- functional dependencies
- conjunctive queries
- numerical data
- association rules
- database
- subgroup discovery
- attribute values
- xml documents
- foreign key
- knowledge discovery
- data model
- inconsistent databases
- rough sets
- inductive logic programming
- database systems
- data sets
- relational databases
- machine learning