On Desirable Semantics of Functional Dependencies over Databases with Incomplete Information.
Antonio BadiaDaniel LemirePublished in: Fundam. Informaticae (2018)
Keyphrases
- null values
- incomplete information
- functional dependencies
- relational databases
- relational database theory
- databases
- integrity constraints
- inclusion dependencies
- open world
- relational model
- database design
- relational data model
- closed world
- query answering
- conflict free
- normal form
- inconsistent databases
- database schemes
- database applications
- autonomous agents
- universal relation
- missing information
- data dependencies
- set of functional dependencies
- database
- xml documents
- first order logic
- data integration
- database systems
- relational algebra
- nested relations
- data model
- database schema
- schema mappings
- data exchange
- xml keys