Extension of the Relational Algebra to Probabilistic Complex Values.
Thomas EiterThomas LukasiewiczMichael WalterPublished in: FoIKS (2000)
Keyphrases
- relational algebra
- probabilistic databases
- data model
- query language
- expressive power
- relational model
- relational database systems
- normal form
- relational calculus
- database query languages
- relational data model
- uncertain data
- join operator
- transitive closure
- complex objects
- first order logic
- database
- functional dependencies
- data structure
- high level