On the expressiveness of linear-constraint query languages for spatial databases.
Luc VandeurzenMarc GyssensDirk Van GuchtPublished in: Theor. Comput. Sci. (2001)
Keyphrases
- spatial databases
- constraint query languages
- constraint databases
- expressive power
- transitive closure
- spatial data
- geographic information systems
- boolean algebra
- r tree
- road network
- spatial objects
- range queries
- quantifier elimination
- query language
- object relational
- data quality
- spatial relationships
- linear constraints
- machine learning
- b tree
- first order logic
- relational algebra
- relational databases
- cardinality constraints
- multi dimensional
- datalog queries
- knn
- database