An Extended Algebra for Constraint Databases.
Alberto BelussiElisa BertinoBarbara CataniaPublished in: IEEE Trans. Knowl. Data Eng. (1998)
Keyphrases
- constraint databases
- query language
- constraint query languages
- transitive closure
- linear constraints
- fixed point
- temporal data
- geographic information systems
- quantifier elimination
- query evaluation
- data model
- relational databases
- spatial databases
- relational algebra
- spatial data
- database theory
- sufficient conditions
- boolean algebra
- object oriented