A Relational Algebra for Complex Objects Based on Partial Information.
Leonid LibkinPublished in: MFDBS (1991)
Keyphrases
- partial information
- complex objects
- relational algebra
- relational model
- incomplete information
- relational database systems
- relational calculus
- query language
- transitive closure
- relational data model
- recursive queries
- distance function
- database query languages
- aggregate functions
- multi agent
- data sets
- normal form
- object oriented