On Expressing Topological Connectivity in Spatial Datalog.
Bart KuijpersMarc SmitsPublished in: CDB (1997)
Keyphrases
- topological properties
- connected components
- spatial information
- expressive power
- spatio temporal
- spatial objects
- query answering
- query language
- topological and directional
- deductive databases
- spatial data
- logic programming
- spatial and temporal
- directional relations
- topological information
- topological features
- database
- topological relations
- knowledge representation
- spatial relations
- databases
- spatial structure
- datalog programs
- spatial databases
- spatial features
- data management
- topological relationships
- space time
- integrity constraints