On Incomplete XML Documents with Integrity Constraints.
Pablo BarcelóLeonid LibkinJuan L. ReutterPublished in: AMW (2010)
Keyphrases
- integrity constraints
- xml documents
- null values
- deductive databases
- functional dependencies
- xml data
- integrity checking
- xml databases
- relational databases
- relational data
- xml schema
- xml queries
- database integrity
- database schema
- conjunctive queries
- data model
- query answering
- database transactions
- sql queries
- xpath queries
- inclusion dependencies
- constraint checking
- schema integration
- missing values
- incomplete data
- query processing
- np complete