A System Handling RCC-8 Queries on 2D Regions Representable in the Closure algebra of Half-Planes.
Brandon BennettAmar IsliAnthony G. CohnPublished in: IEA/AIE (Vol. 1) (1998)
Keyphrases
- query language
- relation algebra
- spatial regions
- web search engines
- expressive power
- response time
- query evaluation
- topological relations
- query processing
- topological relationships
- database query languages
- spatial reasoning
- data model
- maximal tractable
- three dimensional
- database queries
- spatial representation and reasoning
- algebraic operations
- algebraic operators
- database
- efficient processing
- user queries
- image features
- aggregate functions
- cardinal directions
- interval algebra
- indexing techniques
- similarity search
- input image
- algebraic expressions
- search engine
- planar surfaces
- spatial queries
- relational algebra
- range queries
- data structure